15252258742 has 16 divisors (see below), whose sum is σ = 26156633760. Its totient is φ = 6534206208.

The previous prime is 15252258739. The next prime is 15252258773. The reversal of 15252258742 is 24785225251.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167817 + ... + 242212.

It is an arithmetic number, because the mean of its divisors is an integer number (1634789610).

Almost surely, 2^15252258742 is an apocalyptic number.

15252258742 is a deficient number, since it is larger than the sum of its proper divisors (10904375018).

15252258742 is a wasteful number, since it uses less digits than its factorization.

15252258742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412695.

The product of its digits is 448000, while the sum is 43.

The spelling of 15252258742 in words is "fifteen billion, two hundred fifty-two million, two hundred fifty-eight thousand, seven hundred forty-two".