25372452689857 has 24 divisors (see below), whose sum is σ = 32129428841664. Its totient is φ = 19608049266624.

The previous prime is 25372452689809. The next prime is 25372452689861. The reversal of 25372452689857 is 75898625427352.

It is not a de Polignac number, because 25372452689857 - 2⁷ = 25372452689729 is a prime.

It is a super-2 number, since 2×25372452689857² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25372452689857.

It is not an unprimeable number, because it can be changed into a prime (25372452689657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 249339258 + ... + 249440995.

It is an arithmetic number, because the mean of its divisors is an integer number (1338726201736).

Almost surely, 2^{25372452689857} is an apocalyptic number.

It is an amenable number.

25372452689857 is a deficient number, since it is larger than the sum of its proper divisors (6756976151807).

25372452689857 is a wasteful number, since it uses less digits than its factorization.

25372452689857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498780329 (or 498780316 counting only the distinct ones).

The product of its digits is 2032128000, while the sum is 73.

The spelling of 25372452689857 in words is "twenty-five trillion, three hundred seventy-two billion, four hundred fifty-two million, six hundred eighty-nine thousand, eight hundred fifty-seven".