10605115511561 has 8 divisors (see below), whose sum is σ = 10660765081824. Its totient is φ = 10549552557600.

The previous prime is 10605115511521. The next prime is 10605115511651. The reversal of 10605115511561 is 16511551150601.

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 10605115511561 - 2²² = 10605111317257 is a prime.

It is a super-2 number, since 2×10605115511561² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10605115511521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21408551 + ... + 21898316.

It is an arithmetic number, because the mean of its divisors is an integer number (1332595635228).

Almost surely, 2^{10605115511561} is an apocalyptic number.

It is an amenable number.

10605115511561 is a deficient number, since it is larger than the sum of its proper divisors (55649570263).

10605115511561 is a wasteful number, since it uses less digits than its factorization.

10605115511561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43308151.

The product of its (nonzero) digits is 22500, while the sum is 38.

The spelling of 10605115511561 in words is "ten trillion, six hundred five billion, one hundred fifteen million, five hundred eleven thousand, five hundred sixty-one".