25975915033129 has 2 divisors, whose sum is σ = 25975915033130. Its totient is φ = 25975915033128.

The previous prime is 25975915033097. The next prime is 25975915033139. The reversal of 25975915033129 is 92133051957952.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18838655483904 + 7137259549225 = 4340352^2 + 2671565^2 .

It is a cyclic number.

It is not a de Polignac number, because 25975915033129 - 2⁵ = 25975915033097 is a prime.

It is not a weakly prime, because it can be changed into another prime (25975915033139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12987957516564 + 12987957516565.

It is an arithmetic number, because the mean of its divisors is an integer number (12987957516565).

Almost surely, 2^{25975915033129} is an apocalyptic number.

It is an amenable number.

25975915033129 is a deficient number, since it is larger than the sum of its proper divisors (1).

25975915033129 is an equidigital number, since it uses as much as digits as its factorization.

25975915033129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22963500, while the sum is 61.

The spelling of 25975915033129 in words is "twenty-five trillion, nine hundred seventy-five billion, nine hundred fifteen million, thirty-three thousand, one hundred twenty-nine".