25502555525525 has 24 divisors (see below), whose sum is σ = 34056808808064. Its totient is φ = 18832054449600.

The previous prime is 25502555525501. The next prime is 25502555525533. The reversal of 25502555525525 is 52552555520552.

It is not a de Polignac number, because 25502555525525 - 2³⁸ = 25227677618581 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 9060080 + ... + 11536470.

It is an arithmetic number, because the mean of its divisors is an integer number (1419033700336).

Almost surely, 2^{25502555525525} is an apocalyptic number.

25502555525525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25502555525525 is a deficient number, since it is larger than the sum of its proper divisors (8554253282539).

25502555525525 is a wasteful number, since it uses less digits than its factorization.

25502555525525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2508101 (or 2508096 counting only the distinct ones).

The product of its (nonzero) digits is 31250000, while the sum is 53.

The spelling of 25502555525525 in words is "twenty-five trillion, five hundred two billion, five hundred fifty-five million, five hundred twenty-five thousand, five hundred twenty-five".