11990483817 has 16 divisors (see below), whose sum is σ = 17219563200. Its totient is φ = 7377705792.

The previous prime is 11990483789. The next prime is 11990483839. The reversal of 11990483817 is 71838409911.

It is a happy number.

It is not a de Polignac number, because 11990483817 - 2¹⁶ = 11990418281 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11990483817.

It is not an unprimeable number, because it can be changed into a prime (11990483867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 323559 + ... + 358707.

It is an arithmetic number, because the mean of its divisors is an integer number (1076222700).

Almost surely, 2^11990483817 is an apocalyptic number.

It is an amenable number.

11990483817 is a deficient number, since it is larger than the sum of its proper divisors (5229079383).

11990483817 is a wasteful number, since it uses less digits than its factorization.

11990483817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43912.

The product of its (nonzero) digits is 435456, while the sum is 51.

The spelling of 11990483817 in words is "eleven billion, nine hundred ninety million, four hundred eighty-three thousand, eight hundred seventeen".