556110105500 has 48 divisors (see below), whose sum is σ = 1237460462784. Its totient is φ = 218246974400.

The previous prime is 556110105437. The next prime is 556110105539. The reversal of 556110105500 is 5501011655.

It is a happy number.

It is a super-2 number, since 2×556110105500² (a number of 24 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 15 ways as a sum of consecutive naturals, for example, 10466144 + ... + 10519143.

It is an arithmetic number, because the mean of its divisors is an integer number (25780426308).

Almost surely, 2^556110105500 is an apocalyptic number.

556110105500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

556110105500 is an abundant number, since it is smaller than the sum of its proper divisors (681350357284).

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

556110105500 is a wasteful number, since it uses less digits than its factorization.

556110105500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20985359 (or 20985347 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 29.

The spelling of 556110105500 in words is "five hundred fifty-six billion, one hundred ten million, one hundred five thousand, five hundred".