15530536025 has 24 divisors (see below), whose sum is σ = 20065382400. Its totient is φ = 11909620800.

The previous prime is 15530535901. The next prime is 15530536033. The reversal of 15530536025 is 52063503551.

It is not a de Polignac number, because 15530536025 - 2¹⁸ = 15530273881 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23720 + ... + 177830.

It is an arithmetic number, because the mean of its divisors is an integer number (836057600).

Almost surely, 2^15530536025 is an apocalyptic number.

It is an amenable number.

15530536025 is a deficient number, since it is larger than the sum of its proper divisors (4534846375).

15530536025 is a wasteful number, since it uses less digits than its factorization.

15530536025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154289 (or 154284 counting only the distinct ones).

The product of its (nonzero) digits is 67500, while the sum is 35.

The spelling of 15530536025 in words is "fifteen billion, five hundred thirty million, five hundred thirty-six thousand, twenty-five".