15015015264 has 48 divisors (see below), whose sum is σ = 41732914608. Its totient is φ = 4710592512.

The previous prime is 15015015229. The next prime is 15015015269. The reversal of 15015015264 is 46251051051.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15015015269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4598557 + ... + 4601820.

It is an arithmetic number, because the mean of its divisors is an integer number (869435721).

Almost surely, 2^15015015264 is an apocalyptic number.

It is an amenable number.

15015015264 is an abundant number, since it is smaller than the sum of its proper divisors (26717899344).

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

15015015264 is a wasteful number, since it uses less digits than its factorization.

15015015264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9200407 (or 9200399 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 30.

The spelling of 15015015264 in words is "fifteen billion, fifteen million, fifteen thousand, two hundred sixty-four".