25645116144113 has 16 divisors (see below), whose sum is σ = 26574242849280. Its totient is φ = 24718982445696.

The previous prime is 25645116144079. The next prime is 25645116144119. The reversal of 25645116144113 is 31144161154652.

It is a happy number.

It is not a de Polignac number, because 25645116144113 - 2³⁴ = 25627936274929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25645116144119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 320656256 + ... + 320736222.

It is an arithmetic number, because the mean of its divisors is an integer number (1660890178080).

Almost surely, 2^{25645116144113} is an apocalyptic number.

It is an amenable number.

25645116144113 is a deficient number, since it is larger than the sum of its proper divisors (929126705167).

25645116144113 is a wasteful number, since it uses less digits than its factorization.

25645116144113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98536.

The product of its digits is 345600, while the sum is 44.

Adding to 25645116144113 its reverse (31144161154652), we get a palindrome (56789277298765).

The spelling of 25645116144113 in words is "twenty-five trillion, six hundred forty-five billion, one hundred sixteen million, one hundred forty-four thousand, one hundred thirteen".