105502171700056 has 32 divisors (see below), whose sum is σ = 202064689981440. Its totient is φ = 51618690536608.

The previous prime is 105502171700033. The next prime is 105502171700059. The reversal of 105502171700056 is 650007171205501.

It is a super-2 number, since 2×105502171700056² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105502171699991 and 105502171700018.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105502171700059) 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, 25322440 + ... + 29192983.

It is an arithmetic number, because the mean of its divisors is an integer number (6314521561920).

Almost surely, 2^{105502171700056} is an apocalyptic number.

It is an amenable number.

105502171700056 is a deficient number, since it is larger than the sum of its proper divisors (96562518281384).

105502171700056 is a wasteful number, since it uses less digits than its factorization.

105502171700056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54520623 (or 54520619 counting only the distinct ones).

The product of its (nonzero) digits is 73500, while the sum is 40.

The spelling of 105502171700056 in words is "one hundred five trillion, five hundred two billion, one hundred seventy-one million, seven hundred thousand, fifty-six".