11822913992 has 36 divisors (see below), whose sum is σ = 22805239905. Its totient is φ = 5746152096.

The previous prime is 11822913953. The next prime is 11822914003. The reversal of 11822913992 is 29931922811.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 9538647556 + 2284266436 = 97666^2 + 47794^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=76886.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 11378609 + ... + 11379647.

Almost surely, 2^11822913992 is an apocalyptic number.

It is an amenable number.

11822913992 is a deficient number, since it is larger than the sum of its proper divisors (10982325913).

11822913992 is an frugal number, since it uses more digits than its factorization.

11822913992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2158 (or 1078 counting only the distinct ones).

The product of its digits is 139968, while the sum is 47.

The spelling of 11822913992 in words is "eleven billion, eight hundred twenty-two million, nine hundred thirteen thousand, nine hundred ninety-two".