113247020691 has 24 divisors (see below), whose sum is σ = 193393930080. Its totient is φ = 62481113856.

The previous prime is 113247020687. The next prime is 113247020699. The reversal of 113247020691 is 196020742311.

It is not a de Polignac number, because 113247020691 - 2² = 113247020687 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113247020699) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30990790 + ... + 30994443.

It is an arithmetic number, because the mean of its divisors is an integer number (8058080420).

Almost surely, 2^113247020691 is an apocalyptic number.

113247020691 is a deficient number, since it is larger than the sum of its proper divisors (80146909389).

113247020691 is a wasteful number, since it uses less digits than its factorization.

113247020691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61985275 (or 61985272 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The spelling of 113247020691 in words is "one hundred thirteen billion, two hundred forty-seven million, twenty thousand, six hundred ninety-one".