105610661561056 has 24 divisors (see below), whose sum is σ = 209864176777080. Its totient is φ = 52311823014528.

The previous prime is 105610661561047. The next prime is 105610661561117. The reversal of 105610661561056 is 650165166016501.

It is a super-2 number, since 2×105610661561056² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15422114211 + ... + 15422121058.

It is an arithmetic number, because the mean of its divisors is an integer number (8744340699045).

Almost surely, 2^{105610661561056} is an apocalyptic number.

105610661561056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

105610661561056 is a deficient number, since it is larger than the sum of its proper divisors (104253515216024).

105610661561056 is a wasteful number, since it uses less digits than its factorization.

105610661561056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30844235386 (or 30844235378 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 49.

The spelling of 105610661561056 in words is "one hundred five trillion, six hundred ten billion, six hundred sixty-one million, five hundred sixty-one thousand, fifty-six".