25453155396 has 12 divisors (see below), whose sum is σ = 59390695952. Its totient is φ = 8484385128.

The previous prime is 25453155391. The next prime is 25453155397. The reversal of 25453155396 is 69355135452.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×25453155396² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25453155391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1060548130 + ... + 1060548153.

Almost surely, 2^25453155396 is an apocalyptic number.

It is an amenable number.

25453155396 is an abundant number, since it is smaller than the sum of its proper divisors (33937540556).

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

25453155396 is a wasteful number, since it uses less digits than its factorization.

25453155396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2121096290 (or 2121096288 counting only the distinct ones).

The product of its digits is 2430000, while the sum is 48.

The spelling of 25453155396 in words is "twenty-five billion, four hundred fifty-three million, one hundred fifty-five thousand, three hundred ninety-six".