112937889542538 has 16 divisors (see below), whose sum is σ = 230681646725760. Its totient is φ = 36844985240736.

The previous prime is 112937889542537. The next prime is 112937889542539. The reversal of 112937889542538 is 835245988739211.

It is an interprime number because it is at equal distance from previous prime (112937889542537) and next prime (112937889542539).

It is a super-2 number, since 2×112937889542538² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 112937889542538.

It is not an unprimeable number, because it can be changed into a prime (112937889542537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200244484723 + ... + 200244485286.

It is an arithmetic number, because the mean of its divisors is an integer number (14417602920360).

Almost surely, 2^{112937889542538} is an apocalyptic number.

112937889542538 is an abundant number, since it is smaller than the sum of its proper divisors (117743757183222).

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

112937889542538 is a wasteful number, since it uses less digits than its factorization.

112937889542538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400488970061.

The product of its digits is 1045094400, while the sum is 75.

The spelling of 112937889542538 in words is "one hundred twelve trillion, nine hundred thirty-seven billion, eight hundred eighty-nine million, five hundred forty-two thousand, five hundred thirty-eight".