25131026411 has 2 divisors, whose sum is σ = 25131026412. Its totient is φ = 25131026410.

The previous prime is 25131026399. The next prime is 25131026491. The reversal of 25131026411 is 11462013152.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25131026411 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (25131026491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12565513205 + 12565513206.

It is an arithmetic number, because the mean of its divisors is an integer number (12565513206).

Almost surely, 2^25131026411 is an apocalyptic number.

25131026411 is a deficient number, since it is larger than the sum of its proper divisors (1).

25131026411 is an equidigital number, since it uses as much as digits as its factorization.

25131026411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 25131026411 its reverse (11462013152), we get a palindrome (36593039563).

The spelling of 25131026411 in words is "twenty-five billion, one hundred thirty-one million, twenty-six thousand, four hundred eleven".