25104454133 has 4 divisors (see below), whose sum is σ = 27386677248. Its totient is φ = 22822231020.

The previous prime is 25104454117. The next prime is 25104454147. The reversal of 25104454133 is 33145440152.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25104454133 - 2⁴ = 25104454117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25104454133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25104454103) 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, 1141111541 + ... + 1141111562.

It is an arithmetic number, because the mean of its divisors is an integer number (6846669312).

Almost surely, 2^25104454133 is an apocalyptic number.

It is an amenable number.

25104454133 is a deficient number, since it is larger than the sum of its proper divisors (2282223115).

25104454133 is a wasteful number, since it uses less digits than its factorization.

25104454133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2282223114.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 25104454133 its reverse (33145440152), we get a palindrome (58249894285).

The spelling of 25104454133 in words is "twenty-five billion, one hundred four million, four hundred fifty-four thousand, one hundred thirty-three".