111043143091 has 2 divisors, whose sum is σ = 111043143092. Its totient is φ = 111043143090.

The previous prime is 111043143061. The next prime is 111043143103. The reversal of 111043143091 is 190341340111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111043143091 - 2⁵ = 111043143059 is a prime.

It is not a weakly prime, because it can be changed into another prime (111043143011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55521571545 + 55521571546.

It is an arithmetic number, because the mean of its divisors is an integer number (55521571546).

Almost surely, 2^111043143091 is an apocalyptic number.

111043143091 is a deficient number, since it is larger than the sum of its proper divisors (1).

111043143091 is an equidigital number, since it uses as much as digits as its factorization.

111043143091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 28.

The spelling of 111043143091 in words is "one hundred eleven billion, forty-three million, one hundred forty-three thousand, ninety-one".