25263616141 has 2 divisors, whose sum is σ = 25263616142. Its totient is φ = 25263616140.

The previous prime is 25263616127. The next prime is 25263616153. The reversal of 25263616141 is 14161636252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22606626025 + 2656990116 = 150355^2 + 51546^2 .

It is a cyclic number.

It is not a de Polignac number, because 25263616141 - 2⁷ = 25263616013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25263616141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25263616541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12631808070 + 12631808071.

It is an arithmetic number, because the mean of its divisors is an integer number (12631808071).

Almost surely, 2^25263616141 is an apocalyptic number.

It is an amenable number.

25263616141 is a deficient number, since it is larger than the sum of its proper divisors (1).

25263616141 is an equidigital number, since it uses as much as digits as its factorization.

25263616141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 37.

The spelling of 25263616141 in words is "twenty-five billion, two hundred sixty-three million, six hundred sixteen thousand, one hundred forty-one".