25555555055528 has 32 divisors (see below), whose sum is σ = 47941203974400. Its totient is φ = 12771234696192.

The previous prime is 25555555055491. The next prime is 25555555055543. The reversal of 25555555055528 is 82555055555552.

It is a super-2 number, since 2×25555555055528² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 412042376 + ... + 412104392.

It is an arithmetic number, because the mean of its divisors is an integer number (1498162624200).

Almost surely, 2^{25555555055528} is an apocalyptic number.

It is an amenable number.

25555555055528 is a deficient number, since it is larger than the sum of its proper divisors (22385648918872).

25555555055528 is a wasteful number, since it uses less digits than its factorization.

25555555055528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87569 (or 87565 counting only the distinct ones).

The product of its (nonzero) digits is 312500000, while the sum is 62.

The spelling of 25555555055528 in words is "twenty-five trillion, five hundred fifty-five billion, five hundred fifty-five million, fifty-five thousand, five hundred twenty-eight".