25111015425149 has 2 divisors, whose sum is σ = 25111015425150. Its totient is φ = 25111015425148.

The previous prime is 25111015425113. The next prime is 25111015425161. The reversal of 25111015425149 is 94152451011152.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25043268705625 + 67746719524 = 5004325^2 + 260282^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25111015425149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25111015425179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12555507712574 + 12555507712575.

It is an arithmetic number, because the mean of its divisors is an integer number (12555507712575).

Almost surely, 2^{25111015425149} is an apocalyptic number.

It is an amenable number.

25111015425149 is a deficient number, since it is larger than the sum of its proper divisors (1).

25111015425149 is an equidigital number, since it uses as much as digits as its factorization.

25111015425149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72000, while the sum is 41.

The spelling of 25111015425149 in words is "twenty-five trillion, one hundred eleven billion, fifteen million, four hundred twenty-five thousand, one hundred forty-nine".