25323501211 has 4 divisors (see below), whose sum is σ = 25941147624. Its totient is φ = 24705854800.

The previous prime is 25323501199. The next prime is 25323501227. The reversal of 25323501211 is 11210532352.

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 25323501211 - 2⁷ = 25323501083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25323501241) 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, 308823145 + ... + 308823226.

It is an arithmetic number, because the mean of its divisors is an integer number (6485286906).

Almost surely, 2^25323501211 is an apocalyptic number.

25323501211 is a deficient number, since it is larger than the sum of its proper divisors (617646413).

25323501211 is an equidigital number, since it uses as much as digits as its factorization.

25323501211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617646412.

The product of its (nonzero) digits is 1800, while the sum is 25.

The spelling of 25323501211 in words is "twenty-five billion, three hundred twenty-three million, five hundred one thousand, two hundred eleven".