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11105525345 = 55689390421
BaseRepresentation
bin10100101011111000…
…01101111001100001
31001122222000010210112
422111330031321201
5140221003302340
65033553541105
7542130256625
oct122574157141
931588003715
1011105525345
114789863622
12219b274795
13107ca54095
14774cdd185
1544ee86065
hex295f0de61

11105525345 has 8 divisors (see below), whose sum is σ = 13329007080. Its totient is φ = 8882835840.

The previous prime is 11105525341. The next prime is 11105525359. The reversal of 11105525345 is 54352550111.

It can be written as a sum of positive squares in 4 ways, for example, as 1565705761 + 9539819584 = 39569^2 + 97672^2 .

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

It is not a de Polignac number, because 11105525345 - 22 = 11105525341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11105525341) 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, 166766 + ... + 223655.

It is an arithmetic number, because the mean of its divisors is an integer number (1666125885).

Almost surely, 211105525345 is an apocalyptic number.

It is an amenable number.

11105525345 is a deficient number, since it is larger than the sum of its proper divisors (2223481735).

11105525345 is an equidigital number, since it uses as much as digits as its factorization.

11105525345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396115.

The product of its (nonzero) digits is 15000, while the sum is 32.

The spelling of 11105525345 in words is "eleven billion, one hundred five million, five hundred twenty-five thousand, three hundred forty-five".

Divisors: 1 5 5689 28445 390421 1952105 2221105069 11105525345