111982416019 has 4 divisors (see below), whose sum is σ = 114586658296. Its totient is φ = 109378173744.

The previous prime is 111982416001. The next prime is 111982416043. The reversal of 111982416019 is 910614289111.

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

It is a cyclic number.

It is not a de Polignac number, because 111982416019 - 2¹⁵ = 111982383251 is a prime.

It is a super-2 number, since 2×111982416019² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43), and also a Moran number because the ratio is a prime number: 2604242233 = 111982416019 / (1 + 1 + 1 + 9 + 8 + 2 + 4 + 1 + 6 + 0 + 1 + 9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111982416079) 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, 1302121074 + ... + 1302121159.

It is an arithmetic number, because the mean of its divisors is an integer number (28646664574).

Almost surely, 2^111982416019 is an apocalyptic number.

111982416019 is a deficient number, since it is larger than the sum of its proper divisors (2604242277).

111982416019 is an equidigital number, since it uses as much as digits as its factorization.

111982416019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2604242276.

The product of its (nonzero) digits is 31104, while the sum is 43.

The spelling of 111982416019 in words is "one hundred eleven billion, nine hundred eighty-two million, four hundred sixteen thousand, nineteen".