25364144103553 has 2 divisors, whose sum is σ = 25364144103554. Its totient is φ = 25364144103552.

The previous prime is 25364144103527. The next prime is 25364144103677. The reversal of 25364144103553 is 35530144146352.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23938395865344 + 1425748238209 = 4892688^2 + 1194047^2 .

It is a cyclic number.

It is not a de Polignac number, because 25364144103553 - 2⁵ = 25364144103521 is a prime.

It is a super-2 number, since 2×25364144103553² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25364144107553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12682072051776 + 12682072051777.

It is an arithmetic number, because the mean of its divisors is an integer number (12682072051777).

Almost surely, 2^{25364144103553} is an apocalyptic number.

It is an amenable number.

25364144103553 is a deficient number, since it is larger than the sum of its proper divisors (1).

25364144103553 is an equidigital number, since it uses as much as digits as its factorization.

25364144103553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592000, while the sum is 46.

The spelling of 25364144103553 in words is "twenty-five trillion, three hundred sixty-four billion, one hundred forty-four million, one hundred three thousand, five hundred fifty-three".