25275026513765 has 16 divisors (see below), whose sum is σ = 35006090474880. Its totient is φ = 17159848267200.

The previous prime is 25275026513753. The next prime is 25275026513809. The reversal of 25275026513765 is 56731562057252.

It is not a de Polignac number, because 25275026513765 - 2⁶ = 25275026513701 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 25275026513765.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3574964855 + ... + 3574971924.

It is an arithmetic number, because the mean of its divisors is an integer number (2187880654680).

Almost surely, 2^{25275026513765} is an apocalyptic number.

It is an amenable number.

25275026513765 is a deficient number, since it is larger than the sum of its proper divisors (9731063961115).

25275026513765 is a wasteful number, since it uses less digits than its factorization.

25275026513765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7149936892.

The product of its (nonzero) digits is 26460000, while the sum is 56.

The spelling of 25275026513765 in words is "twenty-five trillion, two hundred seventy-five billion, twenty-six million, five hundred thirteen thousand, seven hundred sixty-five".