25955866505292 has 96 divisors (see below), whose sum is σ = 61911030257664. Its totient is φ = 8459832326400.

The previous prime is 25955866505291. The next prime is 25955866505323. The reversal of 25955866505292 is 29250566855952.

It is not an unprimeable number, because it can be changed into a prime (25955866505291) 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 31 ways as a sum of consecutive naturals, for example, 3827730942 + ... + 3827737722.

It is an arithmetic number, because the mean of its divisors is an integer number (644906565184).

Almost surely, 2^{25955866505292} is an apocalyptic number.

It is an amenable number.

25955866505292 is an abundant number, since it is smaller than the sum of its proper divisors (35955163752372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25955866505292 is a wasteful number, since it uses less digits than its factorization.

25955866505292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12279 (or 12277 counting only the distinct ones).

The product of its (nonzero) digits is 583200000, while the sum is 69.

The spelling of 25955866505292 in words is "twenty-five trillion, nine hundred fifty-five billion, eight hundred sixty-six million, five hundred five thousand, two hundred ninety-two".