25541430113 has 4 divisors (see below), whose sum is σ = 25542279168. Its totient is φ = 25540581060.

The previous prime is 25541430107. The next prime is 25541430127. The reversal of 25541430113 is 31103414552.

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 25541430113 - 2⁴ = 25541430097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25541430413) 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, 377681 + ... + 440142.

It is an arithmetic number, because the mean of its divisors is an integer number (6385569792).

Almost surely, 2^25541430113 is an apocalyptic number.

It is an amenable number.

25541430113 is a deficient number, since it is larger than the sum of its proper divisors (849055).

25541430113 is an equidigital number, since it uses as much as digits as its factorization.

25541430113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849054.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 25541430113 its reverse (31103414552), we get a palindrome (56644844665).

The spelling of 25541430113 in words is "twenty-five billion, five hundred forty-one million, four hundred thirty thousand, one hundred thirteen".