1117381099 has 2 divisors, whose sum is σ = 1117381100. Its totient is φ = 1117381098.

The previous prime is 1117381087. The next prime is 1117381141. The reversal of 1117381099 is 9901837111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1117381099 - 2²¹ = 1115283947 is a prime.

It is not a weakly prime, because it can be changed into another prime (1117388099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 558690549 + 558690550.

It is an arithmetic number, because the mean of its divisors is an integer number (558690550).

Almost surely, 2^1117381099 is an apocalyptic number.

1117381099 is a deficient number, since it is larger than the sum of its proper divisors (1).

1117381099 is an equidigital number, since it uses as much as digits as its factorization.

1117381099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 40.

The square root of 1117381099 is about 33427.2508441840. The cubic root of 1117381099 is about 1037.6887464994.

The spelling of 1117381099 in words is "one billion, one hundred seventeen million, three hundred eighty-one thousand, ninety-nine".