25252811912776 has 384 divisors, whose sum is σ = 58539760680960. Its totient is φ = 10169160422400.

The previous prime is 25252811912773. The next prime is 25252811912791. The reversal of 25252811912776 is 67721911825252.

It is a self number, because there is not a number n which added to its sum of digits gives 25252811912776.

It is not an unprimeable number, because it can be changed into a prime (25252811912773) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 17451838885 + ... + 17451840331.

It is an arithmetic number, because the mean of its divisors is an integer number (152447293440).

Almost surely, 2^{25252811912776} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25252811912776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29269880340480).

25252811912776 is an abundant number, since it is smaller than the sum of its proper divisors (33286948768184).

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

25252811912776 is a wasteful number, since it uses less digits than its factorization.

25252811912776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1865 (or 1854 counting only the distinct ones).

The product of its digits is 8467200, while the sum is 58.

The spelling of 25252811912776 in words is "twenty-five trillion, two hundred fifty-two billion, eight hundred eleven million, nine hundred twelve thousand, seven hundred seventy-six".