25153851211 has 2 divisors, whose sum is σ = 25153851212. Its totient is φ = 25153851210.

The previous prime is 25153851139. The next prime is 25153851227. The reversal of 25153851211 is 11215835152.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25153851211 - 2⁹ = 25153850699 is a prime.

It is not a weakly prime, because it can be changed into another prime (25153851011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12576925605 + 12576925606.

It is an arithmetic number, because the mean of its divisors is an integer number (12576925606).

Almost surely, 2^25153851211 is an apocalyptic number.

25153851211 is a deficient number, since it is larger than the sum of its proper divisors (1).

25153851211 is an equidigital number, since it uses as much as digits as its factorization.

25153851211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12000, while the sum is 34.

The spelling of 25153851211 in words is "twenty-five billion, one hundred fifty-three million, eight hundred fifty-one thousand, two hundred eleven".