112891490389972 has 48 divisors (see below), whose sum is σ = 230155172638720. Its totient is φ = 47453280732000.

The previous prime is 112891490389957. The next prime is 112891490389991. The reversal of 112891490389972 is 279983094198211.

It is a junction number, because it is equal to n+sod(n) for n = 112891490389895 and 112891490389904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168659154 + ... + 169327177.

Almost surely, 2^{112891490389972} is an apocalyptic number.

It is an amenable number.

112891490389972 is an abundant number, since it is smaller than the sum of its proper divisors (117263682248748).

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

112891490389972 is a wasteful number, since it uses less digits than its factorization.

112891490389972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337986572 (or 337986570 counting only the distinct ones).

The product of its (nonzero) digits is 141087744, while the sum is 73.

The spelling of 112891490389972 in words is "one hundred twelve trillion, eight hundred ninety-one billion, four hundred ninety million, three hundred eighty-nine thousand, nine hundred seventy-two".