25123868716 has 12 divisors (see below), whose sum is σ = 43976933560. Its totient is φ = 12559030560.

The previous prime is 25123868713. The next prime is 25123868719. The reversal of 25123868716 is 61786832152.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (25123868713) and next prime (25123868719).

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 25123868716.

It is not an unprimeable number, because it can be changed into a prime (25123868713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 706425 + ... + 741136.

Almost surely, 2^25123868716 is an apocalyptic number.

It is an amenable number.

25123868716 is a deficient number, since it is larger than the sum of its proper divisors (18853064844).

25123868716 is a wasteful number, since it uses less digits than its factorization.

25123868716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1451904 (or 1451902 counting only the distinct ones).

The product of its digits is 967680, while the sum is 49.

The spelling of 25123868716 in words is "twenty-five billion, one hundred twenty-three million, eight hundred sixty-eight thousand, seven hundred sixteen".