100056405155 has 32 divisors (see below), whose sum is σ = 143570617344. Its totient is φ = 65450918016.

The previous prime is 100056405091. The next prime is 100056405161. The reversal of 100056405155 is 551504650001.

It is a cyclic number.

It is not a de Polignac number, because 100056405155 - 2⁶ = 100056405091 is a prime.

It is a super-2 number, since 2×100056405155² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 133652 + ... + 466878.

It is an arithmetic number, because the mean of its divisors is an integer number (4486581792).

Almost surely, 2^100056405155 is an apocalyptic number.

100056405155 is a deficient number, since it is larger than the sum of its proper divisors (43514212189).

100056405155 is a wasteful number, since it uses less digits than its factorization.

100056405155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333635.

The product of its (nonzero) digits is 15000, while the sum is 32.

The spelling of 100056405155 in words is "one hundred billion, fifty-six million, four hundred five thousand, one hundred fifty-five".