25163195312 has 10 divisors (see below), whose sum is σ = 48753690948. Its totient is φ = 12581597648.

The previous prime is 25163195273. The next prime is 25163195329. The reversal of 25163195312 is 21359136152.

It is a super-3 number, since 3×25163195312³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 786349838 + ... + 786349869.

Almost surely, 2^25163195312 is an apocalyptic number.

It is an amenable number.

25163195312 is a deficient number, since it is larger than the sum of its proper divisors (23590495636).

25163195312 is a wasteful number, since it uses less digits than its factorization.

25163195312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1572699715 (or 1572699709 counting only the distinct ones).

The product of its digits is 48600, while the sum is 38.

The spelling of 25163195312 in words is "twenty-five billion, one hundred sixty-three million, one hundred ninety-five thousand, three hundred twelve".