11122345679 has 4 divisors (see below), whose sum is σ = 11122556784. Its totient is φ = 11122134576.

The previous prime is 11122345639. The next prime is 11122345697. The reversal of 11122345679 is 97654322111.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11122345679 - 2¹² = 11122341583 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122345639) 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, 46259 + ... + 156155.

It is an arithmetic number, because the mean of its divisors is an integer number (2780639196).

Almost surely, 2^11122345679 is an apocalyptic number.

11122345679 is a deficient number, since it is larger than the sum of its proper divisors (211105).

11122345679 is a wasteful number, since it uses less digits than its factorization.

11122345679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211104.

The product of its digits is 90720, while the sum is 41.

The spelling of 11122345679 in words is "eleven billion, one hundred twenty-two million, three hundred forty-five thousand, six hundred seventy-nine".