25855233892964 has 48 divisors (see below), whose sum is σ = 53296678839936. Its totient is φ = 10744228281600.

The previous prime is 25855233892951. The next prime is 25855233892993. The reversal of 25855233892964 is 46929833255852.

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 15 ways as a sum of consecutive naturals, for example, 68898707 + ... + 69272954.

It is an arithmetic number, because the mean of its divisors is an integer number (1110347475832).

Almost surely, 2^{25855233892964} is an apocalyptic number.

It is an amenable number.

25855233892964 is an abundant number, since it is smaller than the sum of its proper divisors (27441444946972).

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

25855233892964 is a wasteful number, since it uses less digits than its factorization.

25855233892964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138171876 (or 138171874 counting only the distinct ones).

The product of its digits is 1119744000, while the sum is 71.

The spelling of 25855233892964 in words is "twenty-five trillion, eight hundred fifty-five billion, two hundred thirty-three million, eight hundred ninety-two thousand, nine hundred sixty-four".