11111112345679 has 8 divisors (see below), whose sum is σ = 11477374608960. Its totient is φ = 10748321762976.

The previous prime is 11111112345677. The next prime is 11111112345701. The reversal of 11111112345679 is 97654321111111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11111112345679 - 2¹ = 11111112345677 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 (11111112345677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 867913639 + ... + 867926440.

It is an arithmetic number, because the mean of its divisors is an integer number (1434671826120).

Almost surely, 2^{11111112345679} is an apocalyptic number.

11111112345679 is a deficient number, since it is larger than the sum of its proper divisors (366262263281).

11111112345679 is a wasteful number, since it uses less digits than its factorization.

11111112345679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1735840289.

The product of its digits is 45360, while the sum is 43.

The spelling of 11111112345679 in words is "eleven trillion, one hundred eleven billion, one hundred twelve million, three hundred forty-five thousand, six hundred seventy-nine".