10556500111 has 16 divisors (see below), whose sum is σ = 11154274560. Its totient is φ = 9963034560.

The previous prime is 10556500099. The next prime is 10556500139. The reversal of 10556500111 is 11100565501.

It is not a de Polignac number, because 10556500111 - 2⁵ = 10556500079 is a prime.

It is a super-2 number, since 2×10556500111² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10556500211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9622515 + ... + 9623611.

It is an arithmetic number, because the mean of its divisors is an integer number (697142160).

Almost surely, 2^10556500111 is an apocalyptic number.

10556500111 is a deficient number, since it is larger than the sum of its proper divisors (597774449).

10556500111 is a wasteful number, since it uses less digits than its factorization.

10556500111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2574.

The product of its (nonzero) digits is 750, while the sum is 25.

The spelling of 10556500111 in words is "ten billion, five hundred fifty-six million, five hundred thousand, one hundred eleven".