25411425513 has 4 divisors (see below), whose sum is σ = 33881900688. Its totient is φ = 16940950340.

The previous prime is 25411425503. The next prime is 25411425521. The reversal of 25411425513 is 31552411452.

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 25411425513 - 2⁴ = 25411425497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25411425503) 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 3 ways as a sum of consecutive naturals, for example, 4235237583 + ... + 4235237588.

It is an arithmetic number, because the mean of its divisors is an integer number (8470475172).

Almost surely, 2^25411425513 is an apocalyptic number.

It is an amenable number.

25411425513 is a deficient number, since it is larger than the sum of its proper divisors (8470475175).

25411425513 is an equidigital number, since it uses as much as digits as its factorization.

25411425513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8470475174.

The product of its digits is 24000, while the sum is 33.

Adding to 25411425513 its reverse (31552411452), we get a palindrome (56963836965).

The spelling of 25411425513 in words is "twenty-five billion, four hundred eleven million, four hundred twenty-five thousand, five hundred thirteen".