25541633614552 has 48 divisors (see below), whose sum is σ = 53151108912720. Its totient is φ = 11497116586560.

The previous prime is 25541633614543. The next prime is 25541633614559.

25541633614552 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 25541633614552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25541633614559) 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, 127987603 + ... + 128187010.

It is an arithmetic number, because the mean of its divisors is an integer number (1107314769015).

Almost surely, 2^{25541633614552} is an apocalyptic number.

25541633614552 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25541633614552 is an abundant number, since it is smaller than the sum of its proper divisors (27609475298168).

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

25541633614552 is a wasteful number, since it uses less digits than its factorization.

25541633614552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256174744 (or 256174729 counting only the distinct ones).

The product of its digits is 12960000, while the sum is 52.

The spelling of 25541633614552 in words is "twenty-five trillion, five hundred forty-one billion, six hundred thirty-three million, six hundred fourteen thousand, five hundred fifty-two".