25288791514 has 24 divisors (see below), whose sum is σ = 44133102720. Its totient is φ = 10836397656.

The previous prime is 25288791511. The next prime is 25288791523. The reversal of 25288791514 is 41519788252.

It is not an unprimeable number, because it can be changed into a prime (25288791511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 796557 + ... + 827695.

It is an arithmetic number, because the mean of its divisors is an integer number (1838879280).

Almost surely, 2^25288791514 is an apocalyptic number.

25288791514 is a deficient number, since it is larger than the sum of its proper divisors (18844311206).

25288791514 is a wasteful number, since it uses less digits than its factorization.

25288791514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39442 (or 39435 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 52.

The spelling of 25288791514 in words is "twenty-five billion, two hundred eighty-eight million, seven hundred ninety-one thousand, five hundred fourteen".