25156300012 has 24 divisors (see below), whose sum is σ = 44458456896. Its totient is φ = 12454111488.

The previous prime is 25156299929. The next prime is 25156300033. The reversal of 25156300012 is 21000365152.

It is a self number, because there is not a number n which added to its sum of digits gives 25156300012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 422733 + ... + 478555.

It is an arithmetic number, because the mean of its divisors is an integer number (1852435704).

Almost surely, 2^25156300012 is an apocalyptic number.

It is an amenable number.

25156300012 is a deficient number, since it is larger than the sum of its proper divisors (19302156884).

25156300012 is a wasteful number, since it uses less digits than its factorization.

25156300012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56937 (or 56935 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 25156300012 its reverse (21000365152), we get a palindrome (46156665164).

The spelling of 25156300012 in words is "twenty-five billion, one hundred fifty-six million, three hundred thousand, twelve".