25269679511 has 4 divisors (see below), whose sum is σ = 26141047800. Its totient is φ = 24398311224.

The previous prime is 25269679469. The next prime is 25269679549. The reversal of 25269679511 is 11597696252.

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 25269679511 - 2¹⁰ = 25269678487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25269679411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 435684101 + ... + 435684158.

It is an arithmetic number, because the mean of its divisors is an integer number (6535261950).

Almost surely, 2^25269679511 is an apocalyptic number.

25269679511 is a deficient number, since it is larger than the sum of its proper divisors (871368289).

25269679511 is an equidigital number, since it uses as much as digits as its factorization.

25269679511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871368288.

The product of its digits is 2041200, while the sum is 53.

The spelling of 25269679511 in words is "twenty-five billion, two hundred sixty-nine million, six hundred seventy-nine thousand, five hundred eleven".