25613432334031 has 2 divisors, whose sum is σ = 25613432334032. Its totient is φ = 25613432334030.

The previous prime is 25613432334023. The next prime is 25613432334037. The reversal of 25613432334031 is 13043323431652.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25613432334031 - 2³ = 25613432334023 is a prime.

It is a super-2 number, since 2×25613432334031² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25613432334037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12806716167015 + 12806716167016.

It is an arithmetic number, because the mean of its divisors is an integer number (12806716167016).

Almost surely, 2^{25613432334031} is an apocalyptic number.

25613432334031 is a deficient number, since it is larger than the sum of its proper divisors (1).

25613432334031 is an equidigital number, since it uses as much as digits as its factorization.

25613432334031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 466560, while the sum is 40.

Adding to 25613432334031 its reverse (13043323431652), we get a palindrome (38656755765683).

The spelling of 25613432334031 in words is "twenty-five trillion, six hundred thirteen billion, four hundred thirty-two million, three hundred thirty-four thousand, thirty-one".