111117796289 has 8 divisors (see below), whose sum is σ = 112692825480. Its totient is φ = 109544196096.

The previous prime is 111117796277. The next prime is 111117796291. The reversal of 111117796289 is 982697711111.

It can be written as a sum of positive squares in 4 ways, for example, as 782880400 + 110334915889 = 27980^2 + 332167^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111117796289 - 2³² = 106822828993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111117796289.

It is not an unprimeable number, because it can be changed into a prime (111117796589) 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, 200144 + ... + 512145.

It is an arithmetic number, because the mean of its divisors is an integer number (14086603185).

Almost surely, 2^111117796289 is an apocalyptic number.

It is an amenable number.

111117796289 is a deficient number, since it is larger than the sum of its proper divisors (1575029191).

111117796289 is an equidigital number, since it uses as much as digits as its factorization.

111117796289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714499.

The product of its digits is 381024, while the sum is 53.

The spelling of 111117796289 in words is "one hundred eleven billion, one hundred seventeen million, seven hundred ninety-six thousand, two hundred eighty-nine".