1116297909 has 8 divisors (see below), whose sum is σ = 1653774720. Its totient is φ = 744198588.

The previous prime is 1116297811. The next prime is 1116297913. The reversal of 1116297909 is 9097926111.

1116297909 is a `hidden beast` number, since 1 + 11 + 629 + 7 + 9 + 0 + 9 = 666.

It is not a de Polignac number, because 1116297909 - 2⁹ = 1116297397 is a prime.

It is a super-2 number, since 2×1116297909² = 2492242043275544562, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116297929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20672157 + ... + 20672210.

It is an arithmetic number, because the mean of its divisors is an integer number (206721840).

Almost surely, 2^1116297909 is an apocalyptic number.

It is an amenable number.

1116297909 is a deficient number, since it is larger than the sum of its proper divisors (537476811).

1116297909 is an equidigital number, since it uses as much as digits as its factorization.

1116297909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41344376 (or 41344370 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 45.

The square root of 1116297909 is about 33411.0447157822. The cubic root of 1116297909 is about 1037.3533260307.

The spelling of 1116297909 in words is "one billion, one hundred sixteen million, two hundred ninety-seven thousand, nine hundred nine".