100056155 has 16 divisors (see below), whose sum is σ = 121910400. Its totient is φ = 78825600.

The previous prime is 100056137. The next prime is 100056161. The reversal of 100056155 is 551650001.

It is not a de Polignac number, because 100056155 - 2⁸ = 100055899 is a prime.

It is a super-2 number, since 2×100056155² = 20022468306768050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100056155.

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, 120281 + ... + 121109.

It is an arithmetic number, because the mean of its divisors is an integer number (7619400).

Almost surely, 2^100056155 is an apocalyptic number.

100056155 is a deficient number, since it is larger than the sum of its proper divisors (21854245).

100056155 is a wasteful number, since it uses less digits than its factorization.

100056155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 100056155 is about 10002.8073559376. The cubic root of 100056155 is about 464.2457499103.

The spelling of 100056155 in words is "one hundred million, fifty-six thousand, one hundred fifty-five".