25388930113542 has 64 divisors (see below), whose sum is σ = 58809552023040. Its totient is φ = 8111348343648.

The previous prime is 25388930113537. The next prime is 25388930113549. The reversal of 25388930113542 is 24531103988352.

25388930113542 is a `hidden beast` number, since 2 + 5 + 3 + 8 + 8 + 93 + 0 + 1 + 1 + 3 + 542 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25388930113549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94695778 + ... + 94963509.

It is an arithmetic number, because the mean of its divisors is an integer number (918899250360).

Almost surely, 2^{25388930113542} is an apocalyptic number.

25388930113542 is an abundant number, since it is smaller than the sum of its proper divisors (33420621909498).

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

25388930113542 is a wasteful number, since it uses less digits than its factorization.

25388930113542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189659402 (or 189659396 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 54.

The spelling of 25388930113542 in words is "twenty-five trillion, three hundred eighty-eight billion, nine hundred thirty million, one hundred thirteen thousand, five hundred forty-two".