10001055500556 has 12 divisors (see below), whose sum is σ = 23335796167992. Its totient is φ = 3333685166848.

The previous prime is 10001055500543. The next prime is 10001055500567. The reversal of 10001055500556 is 65500555010001.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×10001055500556² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 416710645845 + ... + 416710645868.

It is an arithmetic number, because the mean of its divisors is an integer number (1944649680666).

Almost surely, 2^{10001055500556} is an apocalyptic number.

It is an amenable number.

10001055500556 is an abundant number, since it is smaller than the sum of its proper divisors (13334740667436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10001055500556 is a wasteful number, since it uses less digits than its factorization.

10001055500556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833421291720 (or 833421291718 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 33.

The spelling of 10001055500556 in words is "ten trillion, one billion, fifty-five million, five hundred thousand, five hundred fifty-six".