111984519338 has 4 divisors (see below), whose sum is σ = 167976779010. Its totient is φ = 55992259668.

The previous prime is 111984519313. The next prime is 111984519377. The reversal of 111984519338 is 833915489111.

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

It can be written as a sum of positive squares in only one way, i.e., 97839460849 + 14145058489 = 312793^2 + 118933^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 111984519338.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27996129833 + ... + 27996129836.

Almost surely, 2^111984519338 is an apocalyptic number.

111984519338 is a deficient number, since it is larger than the sum of its proper divisors (55992259672).

111984519338 is an equidigital number, since it uses as much as digits as its factorization.

111984519338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55992259671.

The product of its digits is 933120, while the sum is 53.

The spelling of 111984519338 in words is "one hundred eleven billion, nine hundred eighty-four million, five hundred nineteen thousand, three hundred thirty-eight".