13112405251 has 16 divisors (see below), whose sum is σ = 14647944960. Its totient is φ = 11634527520.

The previous prime is 13112405249. The next prime is 13112405261. The reversal of 13112405251 is 15250421131.

13112405251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13112405251 - 2¹ = 13112405249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13112405261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 677730 + ... + 696808.

It is an arithmetic number, because the mean of its divisors is an integer number (915496560).

Almost surely, 2^13112405251 is an apocalyptic number.

13112405251 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13112405251 is a deficient number, since it is larger than the sum of its proper divisors (1535539709).

13112405251 is a wasteful number, since it uses less digits than its factorization.

13112405251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20586.

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 13112405251 its reverse (15250421131), we get a palindrome (28362826382).

The spelling of 13112405251 in words is "thirteen billion, one hundred twelve million, four hundred five thousand, two hundred fifty-one".