11578231796 has 12 divisors (see below), whose sum is σ = 20312436900. Its totient is φ = 5774678400.

The previous prime is 11578231793. The next prime is 11578231801. The reversal of 11578231796 is 69713287511.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9833498896 + 1744732900 = 99164^2 + 41770^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11578231793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3607571 + ... + 3610778.

It is an arithmetic number, because the mean of its divisors is an integer number (1692703075).

Almost surely, 2^11578231796 is an apocalyptic number.

It is an amenable number.

11578231796 is a deficient number, since it is larger than the sum of its proper divisors (8734205104).

11578231796 is a wasteful number, since it uses less digits than its factorization.

11578231796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7218754 (or 7218752 counting only the distinct ones).

The product of its digits is 635040, while the sum is 50.

The spelling of 11578231796 in words is "eleven billion, five hundred seventy-eight million, two hundred thirty-one thousand, seven hundred ninety-six".