25353644635352 has 32 divisors (see below), whose sum is σ = 53124599077200. Its totient is φ = 11243301388800.

The previous prime is 25353644635331. The next prime is 25353644635357.

25353644635352 is nontrivially palindromic in base 10.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25353644635357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3513528077 + ... + 3513535292.

Almost surely, 2^{25353644635352} is an apocalyptic number.

25353644635352 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25353644635352 is an abundant number, since it is smaller than the sum of its proper divisors (27770954441848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25353644635352 is a wasteful number, since it uses less digits than its factorization.

25353644635352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7027063427 (or 7027063423 counting only the distinct ones).

The product of its digits is 116640000, while the sum is 56.

The spelling of 25353644635352 in words is "twenty-five trillion, three hundred fifty-three billion, six hundred forty-four million, six hundred thirty-five thousand, three hundred fifty-two".