12113423751 has 16 divisors (see below), whose sum is σ = 18974874240. Its totient is φ = 6776740320.

The previous prime is 12113423741. The next prime is 12113423759. The reversal of 12113423751 is 15732431121.

It is not a de Polignac number, because 12113423751 - 2¹¹ = 12113421703 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12113423759) 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, 14117781 + ... + 14118638.

It is an arithmetic number, because the mean of its divisors is an integer number (1185929640).

Almost surely, 2^12113423751 is an apocalyptic number.

12113423751 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12113423751 is a deficient number, since it is larger than the sum of its proper divisors (6861450489).

12113423751 is a wasteful number, since it uses less digits than its factorization.

12113423751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28236446.

The product of its digits is 5040, while the sum is 30.

Subtracting from 12113423751 its sum of digits (30), we obtain a square (12113423721 = 110061²).

Adding to 12113423751 its reverse (15732431121), we get a palindrome (27845854872).

The spelling of 12113423751 in words is "twelve billion, one hundred thirteen million, four hundred twenty-three thousand, seven hundred fifty-one".