1116936897 has 4 divisors (see below), whose sum is σ = 1489249200. Its totient is φ = 744624596.

The previous prime is 1116936889. The next prime is 1116936973. The reversal of 1116936897 is 7986396111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1116936897 - 2³ = 1116936889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1116916897) 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, 186156147 + ... + 186156152.

It is an arithmetic number, because the mean of its divisors is an integer number (372312300).

Almost surely, 2^1116936897 is an apocalyptic number.

It is an amenable number.

1116936897 is a deficient number, since it is larger than the sum of its proper divisors (372312303).

1116936897 is an equidigital number, since it uses as much as digits as its factorization.

1116936897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372312302.

The product of its digits is 489888, while the sum is 51.

The square root of 1116936897 is about 33420.6058742208. The cubic root of 1116936897 is about 1037.5512211998.

The spelling of 1116936897 in words is "one billion, one hundred sixteen million, nine hundred thirty-six thousand, eight hundred ninety-seven".