112138091520 has 1056 divisors, whose sum is σ = 458374851648. Its totient is φ = 23187161088.

The previous prime is 112138091479. The next prime is 112138091539. The reversal of 112138091520 is 25190831211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 714255282 + ... + 714255438.

Almost surely, 2^112138091520 is an apocalyptic number.

112138091520 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 112138091520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229187425824).

112138091520 is an abundant number, since it is smaller than the sum of its proper divisors (346236760128).

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

112138091520 is a wasteful number, since it uses less digits than its factorization.

112138091520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285 (or 260 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 33.

The spelling of 112138091520 in words is "one hundred twelve billion, one hundred thirty-eight million, ninety-one thousand, five hundred twenty".