111140402040091 has 2 divisors, whose sum is σ = 111140402040092. Its totient is φ = 111140402040090.

The previous prime is 111140402040001. The next prime is 111140402040139. The reversal of 111140402040091 is 190040204041111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111140402040091 - 2²⁵ = 111140368485659 is a prime.

It is not a weakly prime, because it can be changed into another prime (111140402040001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55570201020045 + 55570201020046.

It is an arithmetic number, because the mean of its divisors is an integer number (55570201020046).

Almost surely, 2^{111140402040091} is an apocalyptic number.

111140402040091 is a deficient number, since it is larger than the sum of its proper divisors (1).

111140402040091 is an equidigital number, since it uses as much as digits as its factorization.

111140402040091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 28.

The spelling of 111140402040091 in words is "one hundred eleven trillion, one hundred forty billion, four hundred two million, forty thousand, ninety-one".