15525134025 has 24 divisors (see below), whose sum is σ = 26496232704. Its totient is φ = 8012971200.

The previous prime is 15525134011. The next prime is 15525134033. The reversal of 15525134025 is 52043152551.

It is not a de Polignac number, because 15525134025 - 2⁵ = 15525133993 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, 3336414 + ... + 3341063.

It is an arithmetic number, because the mean of its divisors is an integer number (1104009696).

Almost surely, 2^15525134025 is an apocalyptic number.

15525134025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15525134025 is a deficient number, since it is larger than the sum of its proper divisors (10971098679).

15525134025 is a wasteful number, since it uses less digits than its factorization.

15525134025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6677521 (or 6677516 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 33.

Adding to 15525134025 its reverse (52043152551), we get a palindrome (67568286576).

The spelling of 15525134025 in words is "fifteen billion, five hundred twenty-five million, one hundred thirty-four thousand, twenty-five".