111426323529 has 4 divisors (see below), whose sum is σ = 148568431376. Its totient is φ = 74284215684.

The previous prime is 111426323513. The next prime is 111426323581. The reversal of 111426323529 is 925323624111.

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 not a de Polignac number, because 111426323529 - 2⁴ = 111426323513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111426313529) 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 3 ways as a sum of consecutive naturals, for example, 18571053919 + ... + 18571053924.

It is an arithmetic number, because the mean of its divisors is an integer number (37142107844).

Almost surely, 2^111426323529 is an apocalyptic number.

It is an amenable number.

111426323529 is a deficient number, since it is larger than the sum of its proper divisors (37142107847).

111426323529 is an equidigital number, since it uses as much as digits as its factorization.

111426323529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37142107846.

The product of its digits is 77760, while the sum is 39.

The spelling of 111426323529 in words is "one hundred eleven billion, four hundred twenty-six million, three hundred twenty-three thousand, five hundred twenty-nine".