25360145401931 has 2 divisors, whose sum is σ = 25360145401932. Its totient is φ = 25360145401930.

The previous prime is 25360145401781. The next prime is 25360145401951. The reversal of 25360145401931 is 13910454106352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25360145401931 - 2¹⁰ = 25360145400907 is a prime.

It is a super-2 number, since 2×25360145401931² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25360145401951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12680072700965 + 12680072700966.

It is an arithmetic number, because the mean of its divisors is an integer number (12680072700966).

Almost surely, 2^{25360145401931} is an apocalyptic number.

25360145401931 is a deficient number, since it is larger than the sum of its proper divisors (1).

25360145401931 is an equidigital number, since it uses as much as digits as its factorization.

25360145401931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388800, while the sum is 44.

The spelling of 25360145401931 in words is "twenty-five trillion, three hundred sixty billion, one hundred forty-five million, four hundred one thousand, nine hundred thirty-one".