25878862515232 has 48 divisors (see below), whose sum is σ = 50983058736792. Its totient is φ = 12930785556480.

The previous prime is 25878862515227. The next prime is 25878862515271. The reversal of 25878862515232 is 23251526887852.

It can be written as a sum of positive squares in 4 ways, for example, as 6766262249616 + 19112600265616 = 2601204^2 + 4371796^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1033612218 + ... + 1033637254.

Almost surely, 2^{25878862515232} is an apocalyptic number.

It is an amenable number.

25878862515232 is a deficient number, since it is larger than the sum of its proper divisors (25104196221560).

25878862515232 is a wasteful number, since it uses less digits than its factorization.

25878862515232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45341 (or 45333 counting only the distinct ones).

The product of its digits is 129024000, while the sum is 64.

The spelling of 25878862515232 in words is "twenty-five trillion, eight hundred seventy-eight billion, eight hundred sixty-two million, five hundred fifteen thousand, two hundred thirty-two".