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115605505650061 = 721313774882571
BaseRepresentation
bin11010010010010010000001…
…000110010010110110001101
3120011022210000110100222001201
4122102102001012102312031
5110123040033421300221
61045512234111505501
733231136125422650
oct3222220106226615
9504283013328051
10115605505650061
1133921024123669
1210b71155b28291
134c6772483450b
14207949cc55897
15d572702da891
hex692481192d8d

115605505650061 has 8 divisors (see below), whose sum is σ = 132126777116864. Its totient is φ = 99085783991040.

The previous prime is 115605505650023. The next prime is 115605505650067. The reversal of 115605505650061 is 160056505506511.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 115605505650061 - 227 = 115605371432333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 115605505649993 and 115605505650020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115605505650067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 387292095 + ... + 387590476.

It is an arithmetic number, because the mean of its divisors is an integer number (16515847139608).

Almost surely, 2115605505650061 is an apocalyptic number.

It is an amenable number.

115605505650061 is a deficient number, since it is larger than the sum of its proper divisors (16521271466803).

115605505650061 is an equidigital number, since it uses as much as digits as its factorization.

115605505650061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774903891.

The product of its (nonzero) digits is 675000, while the sum is 46.

The spelling of 115605505650061 in words is "one hundred fifteen trillion, six hundred five billion, five hundred five million, six hundred fifty thousand, sixty-one".

Divisors: 1 7 21313 149191 774882571 5424177997 16515072235723 115605505650061