25252811011 has 2 divisors, whose sum is σ = 25252811012. Its totient is φ = 25252811010.

The previous prime is 25252810867. The next prime is 25252811021. The reversal of 25252811011 is 11011825252.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25252811011 - 2¹⁷ = 25252679939 is a prime.

It is not a weakly prime, because it can be changed into another prime (25252811021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12626405505 + 12626405506.

It is an arithmetic number, because the mean of its divisors is an integer number (12626405506).

Almost surely, 2^25252811011 is an apocalyptic number.

25252811011 is a deficient number, since it is larger than the sum of its proper divisors (1).

25252811011 is an equidigital number, since it uses as much as digits as its factorization.

25252811011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1600, while the sum is 28.

The spelling of 25252811011 in words is "twenty-five billion, two hundred fifty-two million, eight hundred eleven thousand, eleven".