25261710099 has 16 divisors (see below), whose sum is σ = 36093278592. Its totient is φ = 15659512448.

The previous prime is 25261710007. The next prime is 25261710113. The reversal of 25261710099 is 99001716252.

It is a cyclic number.

It is not a de Polignac number, because 25261710099 - 2⁷ = 25261709971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25261710099.

It is not an unprimeable number, because it can be changed into a prime (25261710599) 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 15 ways as a sum of consecutive naturals, for example, 2979669 + ... + 2988134.

It is an arithmetic number, because the mean of its divisors is an integer number (2255829912).

Almost surely, 2^25261710099 is an apocalyptic number.

25261710099 is a deficient number, since it is larger than the sum of its proper divisors (10831568493).

25261710099 is a wasteful number, since it uses less digits than its factorization.

25261710099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5967906.

The product of its (nonzero) digits is 68040, while the sum is 42.

The spelling of 25261710099 in words is "twenty-five billion, two hundred sixty-one million, seven hundred ten thousand, ninety-nine".