25512123175073 has 2 divisors, whose sum is σ = 25512123175074. Its totient is φ = 25512123175072.

The previous prime is 25512123175027. The next prime is 25512123175093. The reversal of 25512123175073 is 37057132121552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21884591541409 + 3627531633664 = 4678097^2 + 1904608^2 .

It is a cyclic number.

It is not a de Polignac number, because 25512123175073 - 2⁸ = 25512123174817 is a prime.

It is not a weakly prime, because it can be changed into another prime (25512123175093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12756061587536 + 12756061587537.

It is an arithmetic number, because the mean of its divisors is an integer number (12756061587537).

Almost surely, 2^{25512123175073} is an apocalyptic number.

It is an amenable number.

25512123175073 is a deficient number, since it is larger than the sum of its proper divisors (1).

25512123175073 is an equidigital number, since it uses as much as digits as its factorization.

25512123175073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 441000, while the sum is 44.

The spelling of 25512123175073 in words is "twenty-five trillion, five hundred twelve billion, one hundred twenty-three million, one hundred seventy-five thousand, seventy-three".