112991619425 has 12 divisors (see below), whose sum is σ = 140129213820. Its totient is φ = 90380646720.

The previous prime is 112991619421. The next prime is 112991619443. The reversal of 112991619425 is 524916199211.

It can be written as a sum of positive squares in 6 ways, for example, as 23308739584 + 89682879841 = 152672^2 + 299471^2 .

It is not a de Polignac number, because 112991619425 - 2² = 112991619421 is a prime.

It is not an unprimeable number, because it can be changed into a prime (112991619421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 131882 + ... + 493331.

It is an arithmetic number, because the mean of its divisors is an integer number (11677434485).

Almost surely, 2^112991619425 is an apocalyptic number.

It is an amenable number.

112991619425 is a deficient number, since it is larger than the sum of its proper divisors (27137594395).

112991619425 is an equidigital number, since it uses as much as digits as its factorization.

112991619425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632452 (or 632447 counting only the distinct ones).

The product of its digits is 349920, while the sum is 50.

The spelling of 112991619425 in words is "one hundred twelve billion, nine hundred ninety-one million, six hundred nineteen thousand, four hundred twenty-five".