25143710816 has 48 divisors (see below), whose sum is σ = 56584894464. Its totient is φ = 10773677184.

The previous prime is 25143710797. The next prime is 25143710843. The reversal of 25143710816 is 61801734152.

It is a self number, because there is not a number n which added to its sum of digits gives 25143710816.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1583171 + ... + 1598973.

It is an arithmetic number, because the mean of its divisors is an integer number (1178851968).

Almost surely, 2^25143710816 is an apocalyptic number.

It is an amenable number.

25143710816 is an abundant number, since it is smaller than the sum of its proper divisors (31441183648).

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

25143710816 is a wasteful number, since it uses less digits than its factorization.

25143710816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22923 (or 22915 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The spelling of 25143710816 in words is "twenty-five billion, one hundred forty-three million, seven hundred ten thousand, eight hundred sixteen".