113131504541 has 16 divisors (see below), whose sum is σ = 129921805440. Its totient is φ = 97504619520.

The previous prime is 113131504523. The next prime is 113131504543. The reversal of 113131504541 is 145405131311.

It is a de Polignac number, because none of the positive numbers 2^k-113131504541 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 (113131504543) 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, 1949996 + ... + 2007173.

It is an arithmetic number, because the mean of its divisors is an integer number (8120112840).

Almost surely, 2^113131504541 is an apocalyptic number.

113131504541 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

113131504541 is a deficient number, since it is larger than the sum of its proper divisors (16790300899).

113131504541 is a wasteful number, since it uses less digits than its factorization.

113131504541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3957316.

The product of its (nonzero) digits is 3600, while the sum is 29.

Adding to 113131504541 its reverse (145405131311), we get a palindrome (258536635852).

The spelling of 113131504541 in words is "one hundred thirteen billion, one hundred thirty-one million, five hundred four thousand, five hundred forty-one".