11437819042 has 16 divisors (see below), whose sum is σ = 18481051512. Its totient is φ = 5277686400.

The previous prime is 11437819021. The next prime is 11437819049. The reversal of 11437819042 is 24091873411.

11437819042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2256155001 + 9181664041 = 47499^2 + 95821^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11437818986 and 11437819004.

It is not an unprimeable number, because it can be changed into a prime (11437819049) 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 7 ways as a sum of consecutive naturals, for example, 56868 + ... + 161584.

Almost surely, 2^11437819042 is an apocalyptic number.

11437819042 is a deficient number, since it is larger than the sum of its proper divisors (7043232470).

11437819042 is a wasteful number, since it uses less digits than its factorization.

11437819042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108933.

The product of its (nonzero) digits is 48384, while the sum is 40.

The spelling of 11437819042 in words is "eleven billion, four hundred thirty-seven million, eight hundred nineteen thousand, forty-two".