112905150831 has 80 divisors (see below), whose sum is σ = 190134730368. Its totient is φ = 66166372800.

The previous prime is 112905150791. The next prime is 112905150857. The reversal of 112905150831 is 138051509211.

112905150831 is a `hidden beast` number, since 1 + 12 + 90 + 51 + 508 + 3 + 1 = 666.

It is not a de Polignac number, because 112905150831 - 2⁶ = 112905150767 is a prime.

It is a super-2 number, since 2×112905150831² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112905170831) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 5363116 + ... + 5384126.

Almost surely, 2^112905150831 is an apocalyptic number.

112905150831 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

112905150831 is a deficient number, since it is larger than the sum of its proper divisors (77229579537).

112905150831 is a wasteful number, since it uses less digits than its factorization.

112905150831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21234 (or 21225 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 36.

The spelling of 112905150831 in words is "one hundred twelve billion, nine hundred five million, one hundred fifty thousand, eight hundred thirty-one".