25788539201 has 16 divisors (see below), whose sum is σ = 26866519680. Its totient is φ = 24735473280.

The previous prime is 25788539149. The next prime is 25788539207. The reversal of 25788539201 is 10293588752.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 25788539201 - 2⁶ = 25788539137 is a prime.

It is a super-3 number, since 3×25788539201³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25788539201.

It is not an unprimeable number, because it can be changed into a prime (25788539207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 565031 + ... + 608963.

It is an arithmetic number, because the mean of its divisors is an integer number (1679157480).

Almost surely, 2^25788539201 is an apocalyptic number.

It is an amenable number.

25788539201 is a deficient number, since it is larger than the sum of its proper divisors (1077980479).

25788539201 is a wasteful number, since it uses less digits than its factorization.

25788539201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44216.

The product of its (nonzero) digits is 1209600, while the sum is 50.

The spelling of 25788539201 in words is "twenty-five billion, seven hundred eighty-eight million, five hundred thirty-nine thousand, two hundred one".