Search a number
-
+
115055533561 = 791499774491
BaseRepresentation
bin110101100100111011…
…0000001110111111001
3101222222102021200122211
41223021312001313321
53341113204033221
6124504503215121
711212116620233
oct1531166016771
9358872250584
10115055533561
1144881938321
121a36ba474a1
13ab07a00797
1457d67bd253
152ed5d6d6e1
hex1ac9d81df9

115055533561 has 8 divisors (see below), whose sum is σ = 117293904000. Its totient is φ = 112836712560.

The previous prime is 115055533553. The next prime is 115055533589. The reversal of 115055533561 is 165335550511.

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

It is a cyclic number.

It is not a de Polignac number, because 115055533561 - 23 = 115055533553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115055530561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4875475 + ... + 4899016.

It is an arithmetic number, because the mean of its divisors is an integer number (14661738000).

Almost surely, 2115055533561 is an apocalyptic number.

It is an amenable number.

115055533561 is a deficient number, since it is larger than the sum of its proper divisors (2238370439).

115055533561 is an equidigital number, since it uses as much as digits as its factorization.

115055533561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9774719.

The product of its (nonzero) digits is 168750, while the sum is 40.

The spelling of 115055533561 in words is "one hundred fifteen billion, fifty-five million, five hundred thirty-three thousand, five hundred sixty-one".

Divisors: 1 79 149 11771 9774491 772184789 1456399159 115055533561