112918631958 has 64 divisors (see below), whose sum is σ = 274143916800. Its totient is φ = 34167545280.

The previous prime is 112918631927. The next prime is 112918631963. The reversal of 112918631958 is 859136819211.

It is a happy number.

112918631958 is a `hidden beast` number, since 112 + 91 + 86 + 319 + 58 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a congruent number.

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, 266538 + ... + 544866.

It is an arithmetic number, because the mean of its divisors is an integer number (4283498700).

Almost surely, 2^112918631958 is an apocalyptic number.

112918631958 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 112918631958, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137071958400).

112918631958 is an abundant number, since it is smaller than the sum of its proper divisors (161225284842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

112918631958 is a wasteful number, since it uses less digits than its factorization.

112918631958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279034 (or 279028 counting only the distinct ones).

The product of its digits is 933120, while the sum is 54.

The spelling of 112918631958 in words is "one hundred twelve billion, nine hundred eighteen million, six hundred thirty-one thousand, nine hundred fifty-eight".