1111797659 has 4 divisors (see below), whose sum is σ = 1270625904. Its totient is φ = 952969416.

The previous prime is 1111797653. The next prime is 1111797689. The reversal of 1111797659 is 9567971111.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1111797659 - 2⁸ = 1111797403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111797653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79414112 + ... + 79414125.

It is an arithmetic number, because the mean of its divisors is an integer number (317656476).

Almost surely, 2^1111797659 is an apocalyptic number.

1111797659 is a deficient number, since it is larger than the sum of its proper divisors (158828245).

1111797659 is an equidigital number, since it uses as much as digits as its factorization.

1111797659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158828244.

The product of its digits is 119070, while the sum is 47.

The square root of 1111797659 is about 33343.6299613584. The cubic root of 1111797659 is about 1035.9574511205.

The spelling of 1111797659 in words is "one billion, one hundred eleven million, seven hundred ninety-seven thousand, six hundred fifty-nine".