100555555556 has 48 divisors (see below), whose sum is σ = 181658695680. Its totient is φ = 48674545920.

The previous prime is 100555555531. The next prime is 100555555561. The reversal of 100555555556 is 655555555001.

It is a super-2 number, since 2×100555555556² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100555555556.

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, 35145566 + ... + 35148426.

It is an arithmetic number, because the mean of its divisors is an integer number (3784556160).

Almost surely, 2^100555555556 is an apocalyptic number.

It is an amenable number.

100555555556 is a deficient number, since it is larger than the sum of its proper divisors (81103140124).

100555555556 is a wasteful number, since it uses less digits than its factorization.

100555555556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4644 (or 4642 counting only the distinct ones).

The product of its (nonzero) digits is 2343750, while the sum is 47.

The spelling of 100555555556 in words is "one hundred billion, five hundred fifty-five million, five hundred fifty-five thousand, five hundred fifty-six".