15012268913 has 4 divisors (see below), whose sum is σ = 15026718720. Its totient is φ = 14997819108.

The previous prime is 15012268903. The next prime is 15012268927. The reversal of 15012268913 is 31986221051.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 15012268913 - 2¹⁴ = 15012252529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15012268903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7223345 + ... + 7225422.

It is an arithmetic number, because the mean of its divisors is an integer number (3756679680).

Almost surely, 2^15012268913 is an apocalyptic number.

It is an amenable number.

15012268913 is a deficient number, since it is larger than the sum of its proper divisors (14449807).

15012268913 is a wasteful number, since it uses less digits than its factorization.

15012268913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14449806.

The product of its (nonzero) digits is 25920, while the sum is 38.

Adding to 15012268913 its reverse (31986221051), we get a palindrome (46998489964).

The spelling of 15012268913 in words is "fifteen billion, twelve million, two hundred sixty-eight thousand, nine hundred thirteen".