111098309279 has 16 divisors (see below), whose sum is σ = 116862359040. Its totient is φ = 105414687840.

The previous prime is 111098309263. The next prime is 111098309293. The reversal of 111098309279 is 972903890111.

It is a cyclic number.

It is not a de Polignac number, because 111098309279 - 2⁴ = 111098309263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111098309209) 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, 1856477 + ... + 1915385.

It is an arithmetic number, because the mean of its divisors is an integer number (7303897440).

Almost surely, 2^111098309279 is an apocalyptic number.

111098309279 is a deficient number, since it is larger than the sum of its proper divisors (5764049761).

111098309279 is a wasteful number, since it uses less digits than its factorization.

111098309279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59590.

The product of its (nonzero) digits is 244944, while the sum is 50.

The spelling of 111098309279 in words is "one hundred eleven billion, ninety-eight million, three hundred nine thousand, two hundred seventy-nine".