25555503025528 has 48 divisors (see below), whose sum is σ = 56140686365400. Its totient is φ = 10873564470720.

The previous prime is 25555503025519. The next prime is 25555503025529. The reversal of 25555503025528 is 82552030555552.

It is a super-3 number, since 3×25555503025528³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25555503025529) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 234451303 + ... + 234560278.

Almost surely, 2^{25555503025528} is an apocalyptic number.

25555503025528 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

25555503025528 is an abundant number, since it is smaller than the sum of its proper divisors (30585183339872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25555503025528 is a wasteful number, since it uses less digits than its factorization.

25555503025528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469011740 (or 469011729 counting only the distinct ones).

The product of its (nonzero) digits is 15000000, while the sum is 52.

The spelling of 25555503025528 in words is "twenty-five trillion, five hundred fifty-five billion, five hundred three million, twenty-five thousand, five hundred twenty-eight".