25081082336 has 24 divisors (see below), whose sum is σ = 49410479664. Its totient is φ = 12532389120.

The previous prime is 25081082309. The next prime is 25081082347. The reversal of 25081082336 is 63328018052.

It is a super-2 number, since 2×25081082336² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25081082336.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204605 + ... + 303356.

It is an arithmetic number, because the mean of its divisors is an integer number (2058769986).

Almost surely, 2^25081082336 is an apocalyptic number.

It is an amenable number.

25081082336 is a deficient number, since it is larger than the sum of its proper divisors (24329397328).

25081082336 is a wasteful number, since it uses less digits than its factorization.

25081082336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509514 (or 509506 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The spelling of 25081082336 in words is "twenty-five billion, eighty-one million, eighty-two thousand, three hundred thirty-six".