15044742325 has 12 divisors (see below), whose sum is σ = 18780689700. Its totient is φ = 11955013760.

The previous prime is 15044742301. The next prime is 15044742329. The reversal of 15044742325 is 52324744051.

It can be written as a sum of positive squares in 6 ways, for example, as 4134104209 + 10910638116 = 64297^2 + 104454^2 .

It is not a de Polignac number, because 15044742325 - 2⁹ = 15044741813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15044742329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2015704 + ... + 2023153.

It is an arithmetic number, because the mean of its divisors is an integer number (1565057475).

Almost surely, 2^15044742325 is an apocalyptic number.

It is an amenable number.

15044742325 is a deficient number, since it is larger than the sum of its proper divisors (3735947375).

15044742325 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 9 representation: 15044742325 = (42744302551)₉.

15044742325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4039016 (or 4039011 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 37.

The spelling of 15044742325 in words is "fifteen billion, forty-four million, seven hundred forty-two thousand, three hundred twenty-five".