11712043038 has 16 divisors (see below), whose sum is σ = 23460636816. Its totient is φ = 3897922560.

The previous prime is 11712042983. The next prime is 11712043051. The reversal of 11712043038 is 83034021711.

11712043038 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11712042996 and 11712043014.

It is a congruent number.

It is an unprimeable number.

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, 1518781 + ... + 1526472.

It is an arithmetic number, because the mean of its divisors is an integer number (1466289801).

Almost surely, 2^11712043038 is an apocalyptic number.

11712043038 is an abundant number, since it is smaller than the sum of its proper divisors (11748593778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11712043038 is a wasteful number, since it uses less digits than its factorization.

11712043038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3045899.

The product of its (nonzero) digits is 4032, while the sum is 30.

Adding to 11712043038 its reverse (83034021711), we get a palindrome (94746064749).

The spelling of 11712043038 in words is "eleven billion, seven hundred twelve million, forty-three thousand, thirty-eight".