25502411104403 has 2 divisors, whose sum is σ = 25502411104404. Its totient is φ = 25502411104402.

The previous prime is 25502411104363. The next prime is 25502411104451. The reversal of 25502411104403 is 30440111420552.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25502411104403 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25502411104403.

It is not a weakly prime, because it can be changed into another prime (25502411104003) 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, 12751205552201 + 12751205552202.

It is an arithmetic number, because the mean of its divisors is an integer number (12751205552202).

Almost surely, 2^{25502411104403} is an apocalyptic number.

25502411104403 is a deficient number, since it is larger than the sum of its proper divisors (1).

25502411104403 is an equidigital number, since it uses as much as digits as its factorization.

25502411104403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 25502411104403 its reverse (30440111420552), we get a palindrome (55942522524955).

The spelling of 25502411104403 in words is "twenty-five trillion, five hundred two billion, four hundred eleven million, one hundred four thousand, four hundred three".