25365587372 has 6 divisors (see below), whose sum is σ = 44389777908. Its totient is φ = 12682793684.

The previous prime is 25365587371. The next prime is 25365587431. The reversal of 25365587372 is 27378556352.

It is not an unprimeable number, because it can be changed into a prime (25365587371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3170698418 + ... + 3170698425.

It is an arithmetic number, because the mean of its divisors is an integer number (7398296318).

Almost surely, 2^25365587372 is an apocalyptic number.

It is an amenable number.

25365587372 is a deficient number, since it is larger than the sum of its proper divisors (19024190536).

25365587372 is a wasteful number, since it uses less digits than its factorization.

25365587372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6341396847 (or 6341396845 counting only the distinct ones).

The product of its digits is 10584000, while the sum is 53.

The spelling of 25365587372 in words is "twenty-five billion, three hundred sixty-five million, five hundred eighty-seven thousand, three hundred seventy-two".