25135249118129 has 2 divisors, whose sum is σ = 25135249118130. Its totient is φ = 25135249118128.

The previous prime is 25135249118011. The next prime is 25135249118143. The reversal of 25135249118129 is 92181194253152.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24772748791729 + 362500326400 = 4977223^2 + 602080^2 .

It is a cyclic number.

It is not a de Polignac number, because 25135249118129 - 2³⁶ = 25066529641393 is a prime.

It is not a weakly prime, because it can be changed into another prime (25135249118179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12567624559064 + 12567624559065.

It is an arithmetic number, because the mean of its divisors is an integer number (12567624559065).

Almost surely, 2^{25135249118129} is an apocalyptic number.

It is an amenable number.

25135249118129 is a deficient number, since it is larger than the sum of its proper divisors (1).

25135249118129 is an equidigital number, since it uses as much as digits as its factorization.

25135249118129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1555200, while the sum is 53.

The spelling of 25135249118129 in words is "twenty-five trillion, one hundred thirty-five billion, two hundred forty-nine million, one hundred eighteen thousand, one hundred twenty-nine".