13115258544 has 40 divisors (see below), whose sum is σ = 33916241920. Its totient is φ = 4367216448.

The previous prime is 13115258543. The next prime is 13115258551. The reversal of 13115258544 is 44585251131.

It is not an unprimeable number, because it can be changed into a prime (13115258543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94864 + ... + 187695.

It is an arithmetic number, because the mean of its divisors is an integer number (847906048).

Almost surely, 2^13115258544 is an apocalyptic number.

It is an amenable number.

13115258544 is an abundant number, since it is smaller than the sum of its proper divisors (20800983376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13115258544 is a wasteful number, since it uses less digits than its factorization.

13115258544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283537 (or 283531 counting only the distinct ones).

The product of its digits is 96000, while the sum is 39.

The spelling of 13115258544 in words is "thirteen billion, one hundred fifteen million, two hundred fifty-eight thousand, five hundred forty-four".