111279377 has 4 divisors (see below), whose sum is σ = 121395696. Its totient is φ = 101163060.

The previous prime is 111279347. The next prime is 111279379. The reversal of 111279377 is 773972111.

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 a cyclic number.

It is not a de Polignac number, because 111279377 - 2¹⁶ = 111213841 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111279377.

It is not an unprimeable number, because it can be changed into a prime (111279379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5058143 + ... + 5058164.

It is an arithmetic number, because the mean of its divisors is an integer number (30348924).

Almost surely, 2^111279377 is an apocalyptic number.

It is an amenable number.

111279377 is a deficient number, since it is larger than the sum of its proper divisors (10116319).

111279377 is a wasteful number, since it uses less digits than its factorization.

111279377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10116318.

The product of its digits is 18522, while the sum is 38.

The square root of 111279377 is about 10548.9040663000. The cubic root of 111279377 is about 480.9924157730.

The spelling of 111279377 in words is "one hundred eleven million, two hundred seventy-nine thousand, three hundred seventy-seven".