25351151113 has 4 divisors (see below), whose sum is σ = 25672051840. Its totient is φ = 25030250388.

The previous prime is 25351151083. The next prime is 25351151123. The reversal of 25351151113 is 31115115352.

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 a de Polignac number, because none of the positive numbers 2^k-25351151113 is a prime.

It is a super-2 number, since 2×25351151113² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25351151123) 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, 160450245 + ... + 160450402.

It is an arithmetic number, because the mean of its divisors is an integer number (6418012960).

Almost surely, 2^25351151113 is an apocalyptic number.

It is an amenable number.

25351151113 is a deficient number, since it is larger than the sum of its proper divisors (320900727).

25351151113 is an equidigital number, since it uses as much as digits as its factorization.

25351151113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320900726.

The product of its digits is 2250, while the sum is 28.

Adding to 25351151113 its reverse (31115115352), we get a palindrome (56466266465).

The spelling of 25351151113 in words is "twenty-five billion, three hundred fifty-one million, one hundred fifty-one thousand, one hundred thirteen".