112817155 has 32 divisors (see below), whose sum is σ = 158837760. Its totient is φ = 76043520.

The previous prime is 112817149. The next prime is 112817167. The reversal of 112817155 is 551718211.

It is not a de Polignac number, because 112817155 - 2⁵ = 112817123 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47967 + ... + 50263.

It is an arithmetic number, because the mean of its divisors is an integer number (4963680).

Almost surely, 2^112817155 is an apocalyptic number.

112817155 is a deficient number, since it is larger than the sum of its proper divisors (46020605).

112817155 is a wasteful number, since it uses less digits than its factorization.

112817155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2379.

The product of its digits is 2800, while the sum is 31.

The square root of 112817155 is about 10621.5420255253. The cubic root of 112817155 is about 483.1979107985.

The spelling of 112817155 in words is "one hundred twelve million, eight hundred seventeen thousand, one hundred fifty-five".