11581433793 has 48 divisors (see below), whose sum is σ = 17820803520. Its totient is φ = 7227076608.

The previous prime is 11581433771. The next prime is 11581433819. The reversal of 11581433793 is 39733418511.

11581433793 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11581433793 - 2¹² = 11581429697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11581433093) 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 47 ways as a sum of consecutive naturals, for example, 10556821 + ... + 10557917.

It is an arithmetic number, because the mean of its divisors is an integer number (371266740).

Almost surely, 2^11581433793 is an apocalyptic number.

It is an amenable number.

11581433793 is a deficient number, since it is larger than the sum of its proper divisors (6239369727).

11581433793 is a wasteful number, since it uses less digits than its factorization.

11581433793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1806 (or 1803 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The spelling of 11581433793 in words is "eleven billion, five hundred eighty-one million, four hundred thirty-three thousand, seven hundred ninety-three".