112390645920 has 192 divisors, whose sum is σ = 405352636416. Its totient is φ = 25641907200.

The previous prime is 112390645879. The next prime is 112390645937. The reversal of 112390645920 is 29546093211.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 1807345 + ... + 1868495.

It is an arithmetic number, because the mean of its divisors is an integer number (2111211648).

Almost surely, 2^112390645920 is an apocalyptic number.

112390645920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112390645920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202676318208).

112390645920 is an abundant number, since it is smaller than the sum of its proper divisors (292961990496).

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

112390645920 is a wasteful number, since it uses less digits than its factorization.

112390645920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61723 (or 61715 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 42.

The spelling of 112390645920 in words is "one hundred twelve billion, three hundred ninety million, six hundred forty-five thousand, nine hundred twenty".