15382428525 has 108 divisors (see below), whose sum is σ = 28818226944. Its totient is φ = 8144388000.

The previous prime is 15382428491. The next prime is 15382428539. The reversal of 15382428525 is 52582428351.

15382428525 is a `hidden beast` number, since 1 + 5 + 3 + 82 + 42 + 8 + 525 = 666.

It is not a de Polignac number, because 15382428525 - 2⁹ = 15382428013 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 31328530 + ... + 31329020.

Almost surely, 2^15382428525 is an apocalyptic number.

15382428525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15382428525 is a deficient number, since it is larger than the sum of its proper divisors (13435798419).

15382428525 is an frugal number, since it uses more digits than its factorization.

15382428525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716 (or 690 counting only the distinct ones).

The product of its digits is 768000, while the sum is 45.

The spelling of 15382428525 in words is "fifteen billion, three hundred eighty-two million, four hundred twenty-eight thousand, five hundred twenty-five".