1116345091 has 2 divisors, whose sum is σ = 1116345092. Its totient is φ = 1116345090.

The previous prime is 1116345029. The next prime is 1116345121. The reversal of 1116345091 is 1905436111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1116345091 - 2¹³ = 1116336899 is a prime.

It is not a weakly prime, because it can be changed into another prime (1116345011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 558172545 + 558172546.

It is an arithmetic number, because the mean of its divisors is an integer number (558172546).

Almost surely, 2^1116345091 is an apocalyptic number.

1116345091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1116345091 is an equidigital number, since it uses as much as digits as its factorization.

1116345091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 1116345091 is about 33411.7507921988. The cubic root of 1116345091 is about 1037.3679409212.

The spelling of 1116345091 in words is "one billion, one hundred sixteen million, three hundred forty-five thousand, ninety-one".