25755506695 has 4 divisors (see below), whose sum is σ = 30906608040. Its totient is φ = 20604405352.

The previous prime is 25755506659. The next prime is 25755506701. The reversal of 25755506695 is 59660555752.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25755506695 - 2¹⁷ = 25755375623 is a prime.

It is a super-2 number, since 2×25755506695² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2575550665 + ... + 2575550674.

It is an arithmetic number, because the mean of its divisors is an integer number (7726652010).

Almost surely, 2^25755506695 is an apocalyptic number.

25755506695 is a deficient number, since it is larger than the sum of its proper divisors (5151101345).

25755506695 is an equidigital number, since it uses as much as digits as its factorization.

25755506695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5151101344.

The product of its (nonzero) digits is 14175000, while the sum is 55.

The spelling of 25755506695 in words is "twenty-five billion, seven hundred fifty-five million, five hundred six thousand, six hundred ninety-five".