25135323167 has 2 divisors, whose sum is σ = 25135323168. Its totient is φ = 25135323166.

The previous prime is 25135323133. The next prime is 25135323233. The reversal of 25135323167 is 76132353152.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25135323167 - 2⁸ = 25135322911 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25135323167.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25135323467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12567661583 + 12567661584.

It is an arithmetic number, because the mean of its divisors is an integer number (12567661584).

Almost surely, 2^25135323167 is an apocalyptic number.

25135323167 is a deficient number, since it is larger than the sum of its proper divisors (1).

25135323167 is an equidigital number, since it uses as much as digits as its factorization.

25135323167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 113400, while the sum is 38.

The spelling of 25135323167 in words is "twenty-five billion, one hundred thirty-five million, three hundred twenty-three thousand, one hundred sixty-seven".