25972588851 has 8 divisors (see below), whose sum is σ = 37778311104. Its totient is φ = 15740962920.

The previous prime is 25972588841. The next prime is 25972588853. The reversal of 25972588851 is 15888527952.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25972588851 - 2⁶ = 25972588787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25972588853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393524041 + ... + 393524106.

It is an arithmetic number, because the mean of its divisors is an integer number (4722288888).

Almost surely, 2^25972588851 is an apocalyptic number.

25972588851 is a deficient number, since it is larger than the sum of its proper divisors (11805722253).

25972588851 is a wasteful number, since it uses less digits than its factorization.

25972588851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787048161.

The product of its digits is 16128000, while the sum is 60.

The spelling of 25972588851 in words is "twenty-five billion, nine hundred seventy-two million, five hundred eighty-eight thousand, eight hundred fifty-one".