25235726510563 has 2 divisors, whose sum is σ = 25235726510564. Its totient is φ = 25235726510562.

The previous prime is 25235726510509. The next prime is 25235726510581. The reversal of 25235726510563 is 36501562753252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25235726510563 - 2²¹ = 25235724413411 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25235726510563.

It is not a weakly prime, because it can be changed into another prime (25235726513563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12617863255281 + 12617863255282.

It is an arithmetic number, because the mean of its divisors is an integer number (12617863255282).

Almost surely, 2^{25235726510563} is an apocalyptic number.

25235726510563 is a deficient number, since it is larger than the sum of its proper divisors (1).

25235726510563 is an equidigital number, since it uses as much as digits as its factorization.

25235726510563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340000, while the sum is 52.

The spelling of 25235726510563 in words is "twenty-five trillion, two hundred thirty-five billion, seven hundred twenty-six million, five hundred ten thousand, five hundred sixty-three".