111060091 has 2 divisors, whose sum is σ = 111060092. Its totient is φ = 111060090.

The previous prime is 111060049. The next prime is 111060101. The reversal of 111060091 is 190060111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111060091 is a prime.

It is not a weakly prime, because it can be changed into another prime (111660091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55530045 + 55530046.

It is an arithmetic number, because the mean of its divisors is an integer number (55530046).

Almost surely, 2^111060091 is an apocalyptic number.

111060091 is a deficient number, since it is larger than the sum of its proper divisors (1).

111060091 is an equidigital number, since it uses as much as digits as its factorization.

111060091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 19.

The square root of 111060091 is about 10538.5051596514. The cubic root of 111060091 is about 480.6762617702.

The spelling of 111060091 in words is "one hundred eleven million, sixty thousand, ninety-one".