25452450425553 has 16 divisors (see below), whose sum is σ = 35962991032896. Its totient is φ = 15956778375680.

The previous prime is 25452450425419. The next prime is 25452450425561. The reversal of 25452450425553 is 35552405425452.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 25452450425553 - 2¹⁸ = 25452450163409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 25452450425496 and 25452450425505.

It is not an unprimeable number, because it can be changed into a prime (25452450425573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209104143 + ... + 209225828.

It is an arithmetic number, because the mean of its divisors is an integer number (2247686939556).

Almost surely, 2^{25452450425553} is an apocalyptic number.

It is an amenable number.

25452450425553 is a deficient number, since it is larger than the sum of its proper divisors (10510540607343).

25452450425553 is a wasteful number, since it uses less digits than its factorization.

25452450425553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418331184.

The product of its (nonzero) digits is 24000000, while the sum is 51.

The spelling of 25452450425553 in words is "twenty-five trillion, four hundred fifty-two billion, four hundred fifty million, four hundred twenty-five thousand, five hundred fifty-three".