25530252755525 has 48 divisors (see below), whose sum is σ = 36457528771200. Its totient is φ = 17372402208000.

The previous prime is 25530252755479. The next prime is 25530252755537. The reversal of 25530252755525 is 52555725203552.

It is not a de Polignac number, because 25530252755525 - 2⁸ = 25530252755269 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26939027 + ... + 27870623.

It is an arithmetic number, because the mean of its divisors is an integer number (759531849400).

Almost surely, 2^{25530252755525} is an apocalyptic number.

25530252755525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25530252755525 is a deficient number, since it is larger than the sum of its proper divisors (10927276015675).

25530252755525 is a wasteful number, since it uses less digits than its factorization.

25530252755525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932814 (or 932809 counting only the distinct ones).

The product of its (nonzero) digits is 26250000, while the sum is 53.

The spelling of 25530252755525 in words is "twenty-five trillion, five hundred thirty billion, two hundred fifty-two million, seven hundred fifty-five thousand, five hundred twenty-five".