15013323451 has 24 divisors (see below), whose sum is σ = 17789959680. Its totient is φ = 12409343856.

The previous prime is 15013323443. The next prime is 15013323473. The reversal of 15013323451 is 15432331051.

It is a happy number.

It is not a de Polignac number, because 15013323451 - 2³ = 15013323443 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 (15013323401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1015156 + ... + 1029838.

It is an arithmetic number, because the mean of its divisors is an integer number (741248320).

Almost surely, 2^15013323451 is an apocalyptic number.

15013323451 is a deficient number, since it is larger than the sum of its proper divisors (2776636229).

15013323451 is an equidigital number, since it uses as much as digits as its factorization.

15013323451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14855 (or 14812 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The spelling of 15013323451 in words is "fifteen billion, thirteen million, three hundred twenty-three thousand, four hundred fifty-one".