25211046766453 has 2 divisors, whose sum is σ = 25211046766454. Its totient is φ = 25211046766452.

The previous prime is 25211046766447. The next prime is 25211046766531. The reversal of 25211046766453 is 35466764011252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24814923805764 + 396122960689 = 4981458^2 + 629383^2 .

It is a cyclic number.

It is not a de Polignac number, because 25211046766453 - 2³³ = 25202456831861 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25211046766453.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25211046766253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12605523383226 + 12605523383227.

It is an arithmetic number, because the mean of its divisors is an integer number (12605523383227).

Almost surely, 2^{25211046766453} is an apocalyptic number.

It is an amenable number.

25211046766453 is a deficient number, since it is larger than the sum of its proper divisors (1).

25211046766453 is an equidigital number, since it uses as much as digits as its factorization.

25211046766453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7257600, while the sum is 52.

The spelling of 25211046766453 in words is "twenty-five trillion, two hundred eleven billion, forty-six million, seven hundred sixty-six thousand, four hundred fifty-three".