1111114391 has 4 divisors (see below), whose sum is σ = 1138214784. Its totient is φ = 1084014000.

The previous prime is 1111114327. The next prime is 1111114447. The reversal of 1111114391 is 1934111111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1934111111 = 31 ⋅62390681.

It is a cyclic number.

It is not a de Polignac number, because 1111114391 - 2⁶ = 1111114327 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 (1111114691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13550135 + ... + 13550216.

It is an arithmetic number, because the mean of its divisors is an integer number (284553696).

Almost surely, 2^1111114391 is an apocalyptic number.

1111114391 is a deficient number, since it is larger than the sum of its proper divisors (27100393).

1111114391 is an equidigital number, since it uses as much as digits as its factorization.

1111114391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27100392.

The product of its digits is 108, while the sum is 23.

The square root of 1111114391 is about 33333.3825316304. The cubic root of 1111114391 is about 1035.7451877880.

The spelling of 1111114391 in words is "one billion, one hundred eleven million, one hundred fourteen thousand, three hundred ninety-one".