111840749476 has 9 divisors (see below), whose sum is σ = 195722482081. Its totient is φ = 55920040312.

The previous prime is 111840749459. The next prime is 111840749479. The reversal of 111840749476 is 674947048111.

The square root of 111840749476 is 334426.

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., 87621920100 + 24218829376 = 296010^2 + 155624^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111840749479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 585246 + ... + 752458.

Almost surely, 2^111840749476 is an apocalyptic number.

111840749476 is the 334426-th square number.

It is an amenable number.

111840749476 is a deficient number, since it is larger than the sum of its proper divisors (83881732605).

111840749476 is an frugal number, since it uses more digits than its factorization.

111840749476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334430 (or 167215 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 52.

The spelling of 111840749476 in words is "one hundred eleven billion, eight hundred forty million, seven hundred forty-nine thousand, four hundred seventy-six".