115043013 has 12 divisors (see below), whose sum is σ = 166372128. Its totient is φ = 76603560.

The previous prime is 115043009. The next prime is 115043041. The reversal of 115043013 is 310340511.

It is not a de Polignac number, because 115043013 - 2² = 115043009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115043413) 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, 778 + ... + 15188.

It is an arithmetic number, because the mean of its divisors is an integer number (13864344).

Almost surely, 2^115043013 is an apocalyptic number.

It is an amenable number.

115043013 is a deficient number, since it is larger than the sum of its proper divisors (51329115).

115043013 is a wasteful number, since it uses less digits than its factorization.

115043013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15304 (or 15301 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 115043013 is about 10725.8105987380. The cubic root of 115043013 is about 486.3550344842.

Adding to 115043013 its reverse (310340511), we get a palindrome (425383524).

The spelling of 115043013 in words is "one hundred fifteen million, forty-three thousand, thirteen".