1110231439991 has 2 divisors, whose sum is σ = 1110231439992. Its totient is φ = 1110231439990.

The previous prime is 1110231439909. The next prime is 1110231440041. The reversal of 1110231439991 is 1999341320111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1110231439991 - 2¹⁴ = 1110231423607 is a prime.

It is a super-2 number, since 2×1110231439991² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1110231439091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555115719995 + 555115719996.

It is an arithmetic number, because the mean of its divisors is an integer number (555115719996).

Almost surely, 2^{1110231439991} is an apocalyptic number.

1110231439991 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110231439991 is an equidigital number, since it uses as much as digits as its factorization.

1110231439991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52488, while the sum is 44.

The spelling of 1110231439991 in words is "one trillion, one hundred ten billion, two hundred thirty-one million, four hundred thirty-nine thousand, nine hundred ninety-one".