25820573315094 has 12 divisors (see below), whose sum is σ = 55944575516076. Its totient is φ = 8606857771692.

The previous prime is 25820573315011. The next prime is 25820573315149. The reversal of 25820573315094 is 49051337502852.

25820573315094 is a `hidden beast` number, since 2 + 5 + 82 + 0 + 57 + 3 + 3 + 1 + 509 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 25820573315094.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 717238147624 + ... + 717238147659.

It is an arithmetic number, because the mean of its divisors is an integer number (4662047959673).

Almost surely, 2^{25820573315094} is an apocalyptic number.

25820573315094 is an abundant number, since it is smaller than the sum of its proper divisors (30124002200982).

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

25820573315094 is a wasteful number, since it uses less digits than its factorization.

25820573315094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434476295291 (or 1434476295288 counting only the distinct ones).

The product of its (nonzero) digits is 9072000, while the sum is 54.

The spelling of 25820573315094 in words is "twenty-five trillion, eight hundred twenty billion, five hundred seventy-three million, three hundred fifteen thousand, ninety-four".