25054211113 has 2 divisors, whose sum is σ = 25054211114. Its totient is φ = 25054211112.

The previous prime is 25054211111. The next prime is 25054211141. The reversal of 25054211113 is 31111245052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16930433689 + 8123777424 = 130117^2 + 90132^2 .

It is a cyclic number.

It is not a de Polignac number, because 25054211113 - 2¹ = 25054211111 is a prime.

Together with 25054211111, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (25054211111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12527105556 + 12527105557.

It is an arithmetic number, because the mean of its divisors is an integer number (12527105557).

Almost surely, 2^25054211113 is an apocalyptic number.

It is an amenable number.

25054211113 is a deficient number, since it is larger than the sum of its proper divisors (1).

25054211113 is an equidigital number, since it uses as much as digits as its factorization.

25054211113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 25054211113 its reverse (31111245052), we get a palindrome (56165456165).

The spelling of 25054211113 in words is "twenty-five billion, fifty-four million, two hundred eleven thousand, one hundred thirteen".