111318318736 has 45 divisors (see below), whose sum is σ = 217207808841. Its totient is φ = 55267461312.

The previous prime is 111318318719. The next prime is 111318318743. The reversal of 111318318736 is 637813813111.

The square root of 111318318736 is 333644.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 81706792336 + 29611526400 = 285844^2 + 172080^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111318318692 and 111318318701.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 318963490 + ... + 318963838.

Almost surely, 2^111318318736 is an apocalyptic number.

111318318736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

111318318736 is the 333644-th square number.

It is an amenable number.

111318318736 is a deficient number, since it is larger than the sum of its proper divisors (105889490105).

111318318736 is an frugal number, since it uses more digits than its factorization.

111318318736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1184 (or 590 counting only the distinct ones).

The product of its digits is 72576, while the sum is 43.

The spelling of 111318318736 in words is "one hundred eleven billion, three hundred eighteen million, three hundred eighteen thousand, seven hundred thirty-six".