112957155 has 12 divisors (see below), whose sum is σ = 195792480. Its totient is φ = 60243792.

The previous prime is 112957111. The next prime is 112957157. The reversal of 112957155 is 551759211.

112957155 is a `hidden beast` number, since 11 + 29 + 571 + 55 = 666.

It is not a de Polignac number, because 112957155 - 2⁹ = 112956643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (112957157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1255035 + ... + 1255124.

It is an arithmetic number, because the mean of its divisors is an integer number (16316040).

Almost surely, 2^112957155 is an apocalyptic number.

112957155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

112957155 is a deficient number, since it is larger than the sum of its proper divisors (82835325).

112957155 is a wasteful number, since it uses less digits than its factorization.

112957155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2510170 (or 2510167 counting only the distinct ones).

The product of its digits is 15750, while the sum is 36.

The square root of 112957155 is about 10628.1303623921. The cubic root of 112957155 is about 483.3977023533.

The spelling of 112957155 in words is "one hundred twelve million, nine hundred fifty-seven thousand, one hundred fifty-five".