25450211211967 has 2 divisors, whose sum is σ = 25450211211968. Its totient is φ = 25450211211966.

The previous prime is 25450211211949. The next prime is 25450211212009. The reversal of 25450211211967 is 76911211205452.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25450211211967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25450211211917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12725105605983 + 12725105605984.

It is an arithmetic number, because the mean of its divisors is an integer number (12725105605984).

Almost surely, 2^{25450211211967} is an apocalyptic number.

25450211211967 is a deficient number, since it is larger than the sum of its proper divisors (1).

25450211211967 is an equidigital number, since it uses as much as digits as its factorization.

25450211211967 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 302400, while the sum is 46.

The spelling of 25450211211967 in words is "twenty-five trillion, four hundred fifty billion, two hundred eleven million, two hundred eleven thousand, nine hundred sixty-seven".