15530055025 has 24 divisors (see below), whose sum is σ = 19557776000. Its totient is φ = 12231086400.

The previous prime is 15530055019. The next prime is 15530055049. The reversal of 15530055025 is 52055003551.

It is a happy number.

It is not a de Polignac number, because 15530055025 - 2⁹ = 15530054513 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, 678010 + ... + 700540.

Almost surely, 2^15530055025 is an apocalyptic number.

It is an amenable number.

15530055025 is a deficient number, since it is larger than the sum of its proper divisors (4027720975).

15530055025 is a wasteful number, since it uses less digits than its factorization.

15530055025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22969 (or 22964 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 31.

Adding to 15530055025 its reverse (52055003551), we get a palindrome (67585058576).

The spelling of 15530055025 in words is "fifteen billion, five hundred thirty million, fifty-five thousand, twenty-five".