25250193113 has 4 divisors (see below), whose sum is σ = 25277669760. Its totient is φ = 25222716468.

The previous prime is 25250193071. The next prime is 25250193119. The reversal of 25250193113 is 31139105252.

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 25250193113 - 2²⁰ = 25249144537 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 25250193113.

It is not an unprimeable number, because it can be changed into a prime (25250193119) 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, 13736945 + ... + 13738782.

It is an arithmetic number, because the mean of its divisors is an integer number (6319417440).

Almost surely, 2^25250193113 is an apocalyptic number.

It is an amenable number.

25250193113 is a deficient number, since it is larger than the sum of its proper divisors (27476647).

25250193113 is an equidigital number, since it uses as much as digits as its factorization.

25250193113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27476646.

The product of its (nonzero) digits is 8100, while the sum is 32.

Adding to 25250193113 its reverse (31139105252), we get a palindrome (56389298365).

The spelling of 25250193113 in words is "twenty-five billion, two hundred fifty million, one hundred ninety-three thousand, one hundred thirteen".