113531245541 has 16 divisors (see below), whose sum is σ = 131991223680. Its totient is φ = 95632627200.

The previous prime is 113531245519. The next prime is 113531245549. The reversal of 113531245541 is 145542135311.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 113531245541 - 2²² = 113527051237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113531245549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1302941 + ... + 1387341.

It is an arithmetic number, because the mean of its divisors is an integer number (8249451480).

Almost surely, 2^113531245541 is an apocalyptic number.

It is an amenable number.

113531245541 is a deficient number, since it is larger than the sum of its proper divisors (18459978139).

113531245541 is an equidigital number, since it uses as much as digits as its factorization.

113531245541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87724.

The product of its digits is 36000, while the sum is 35.

The spelling of 113531245541 in words is "one hundred thirteen billion, five hundred thirty-one million, two hundred forty-five thousand, five hundred forty-one".