100404057555 has 24 divisors (see below), whose sum is σ = 174211906752. Its totient is φ = 53493997824.

The previous prime is 100404057499. The next prime is 100404057557. The reversal of 100404057555 is 555750404001.

100404057555 is a `hidden beast` number, since 1 + 0 + 0 + 40 + 40 + 575 + 5 + 5 = 666.

It is not a de Polignac number, because 100404057555 - 2⁹ = 100404057043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100404057557) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1097899 + ... + 1185828.

It is an arithmetic number, because the mean of its divisors is an integer number (7258829448).

Almost surely, 2^100404057555 is an apocalyptic number.

100404057555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

100404057555 is a deficient number, since it is larger than the sum of its proper divisors (73807849197).

100404057555 is a wasteful number, since it uses less digits than its factorization.

100404057555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2284715 (or 2284712 counting only the distinct ones).

The product of its (nonzero) digits is 70000, while the sum is 36.

The spelling of 100404057555 in words is "one hundred billion, four hundred four million, fifty-seven thousand, five hundred fifty-five".