25502411104451 has 2 divisors, whose sum is σ = 25502411104452. Its totient is φ = 25502411104450.

The previous prime is 25502411104403. The next prime is 25502411104459. The reversal of 25502411104451 is 15440111420552.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25502411104451 is a prime.

It is a super-2 number, since 2×25502411104451² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25502411104459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12751205552225 + 12751205552226.

It is an arithmetic number, because the mean of its divisors is an integer number (12751205552226).

Almost surely, 2^{25502411104451} is an apocalyptic number.

25502411104451 is a deficient number, since it is larger than the sum of its proper divisors (1).

25502411104451 is an equidigital number, since it uses as much as digits as its factorization.

25502411104451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32000, while the sum is 35.

The spelling of 25502411104451 in words is "twenty-five trillion, five hundred two billion, four hundred eleven million, one hundred four thousand, four hundred fifty-one".