25959473526 has 48 divisors (see below), whose sum is σ = 63021417984. Its totient is φ = 7094512656.

The previous prime is 25959473521. The next prime is 25959473567. The reversal of 25959473526 is 62537495952.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25959473521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1912750 + ... + 1926273.

It is an arithmetic number, because the mean of its divisors is an integer number (1312946208).

Almost surely, 2^25959473526 is an apocalyptic number.

25959473526 is an abundant number, since it is smaller than the sum of its proper divisors (37061944458).

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

25959473526 is a wasteful number, since it uses less digits than its factorization.

25959473526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3839065 (or 3839058 counting only the distinct ones).

The product of its digits is 20412000, while the sum is 57.

The spelling of 25959473526 in words is "twenty-five billion, nine hundred fifty-nine million, four hundred seventy-three thousand, five hundred twenty-six".