111369705842 has 16 divisors (see below), whose sum is σ = 167775478200. Its totient is φ = 55444623360.

The previous prime is 111369705803. The next prime is 111369705883. The reversal of 111369705842 is 248507963111.

111369705842 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 333721²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 111369705841 + 1 = 333721^2 + 1^2 .

It is a super-2 number, since 2×111369705842² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3613634 + ... + 3644322.

It is a 1-persistent number, because it is pandigital, but 2⋅111369705842 = 222739411684 is not.

Almost surely, 2^111369705842 is an apocalyptic number.

111369705842 is a deficient number, since it is larger than the sum of its proper divisors (56405772358).

111369705842 is a wasteful number, since it uses less digits than its factorization.

111369705842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38461.

The product of its (nonzero) digits is 362880, while the sum is 47.

The spelling of 111369705842 in words is "one hundred eleven billion, three hundred sixty-nine million, seven hundred five thousand, eight hundred forty-two".