25140387888904 has 16 divisors (see below), whose sum is σ = 47454591235500. Its totient is φ = 12485830226112.

The previous prime is 25140387888899. The next prime is 25140387888907. The reversal of 25140387888904 is 40988878304152.

It can be written as a sum of positive squares in 2 ways, for example, as 23937632612100 + 1202755276804 = 4892610^2 + 1096702^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 25140387888904.

It is not an unprimeable number, because it can be changed into a prime (25140387888907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10545463527 + ... + 10545465910.

Almost surely, 2^{25140387888904} is an apocalyptic number.

It is an amenable number.

25140387888904 is a deficient number, since it is larger than the sum of its proper divisors (22314203346596).

25140387888904 is a wasteful number, since it uses less digits than its factorization.

25140387888904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21090929592 (or 21090929588 counting only the distinct ones).

The product of its (nonzero) digits is 123863040, while the sum is 67.

The spelling of 25140387888904 in words is "twenty-five trillion, one hundred forty billion, three hundred eighty-seven million, eight hundred eighty-eight thousand, nine hundred four".