15513002557013 has 16 divisors (see below), whose sum is σ = 17438990284800. Its totient is φ = 13702063731840.

The previous prime is 15513002557007. The next prime is 15513002557027. The reversal of 15513002557013 is 31075520031551.

It is a cyclic number.

It is not a de Polignac number, because 15513002557013 - 2⁸ = 15513002556757 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 (15513002557513) 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, 216221453 + ... + 216293186.

It is an arithmetic number, because the mean of its divisors is an integer number (1089936892800).

Almost surely, 2^{15513002557013} is an apocalyptic number.

15513002557013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

15513002557013 is a deficient number, since it is larger than the sum of its proper divisors (1925987727787).

15513002557013 is a wasteful number, since it uses less digits than its factorization.

15513002557013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432514772.

The product of its (nonzero) digits is 78750, while the sum is 38.

Adding to 15513002557013 its reverse (31075520031551), we get a palindrome (46588522588564).

The spelling of 15513002557013 in words is "fifteen trillion, five hundred thirteen billion, two million, five hundred fifty-seven thousand, thirteen".