1111886243 has 8 divisors (see below), whose sum is σ = 1199133936. Its totient is φ = 1024884000.

The previous prime is 1111886231. The next prime is 1111886261. The reversal of 1111886243 is 3426881111.

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 1111886243 - 2¹⁰ = 1111885219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1111886203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51893 + ... + 70118.

It is an arithmetic number, because the mean of its divisors is an integer number (149891742).

Almost surely, 2^1111886243 is an apocalyptic number.

1111886243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1111886243 is a deficient number, since it is larger than the sum of its proper divisors (87247693).

1111886243 is a wasteful number, since it uses less digits than its factorization.

1111886243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122725.

The product of its digits is 9216, while the sum is 35.

The square root of 1111886243 is about 33344.9582845743. The cubic root of 1111886243 is about 1035.9849641656.

The spelling of 1111886243 in words is "one billion, one hundred eleven million, eight hundred eighty-six thousand, two hundred forty-three".