11838559416 has 32 divisors (see below), whose sum is σ = 31337364240. Its totient is φ = 3714057728.

The previous prime is 11838559363. The next prime is 11838559417. The reversal of 11838559416 is 61495583811.

It is a super-2 number, since 2×11838559416² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11838559417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14507631 + ... + 14508446.

Almost surely, 2^11838559416 is an apocalyptic number.

It is an amenable number.

11838559416 is an abundant number, since it is smaller than the sum of its proper divisors (19498804824).

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

11838559416 is a wasteful number, since it uses less digits than its factorization.

11838559416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29016103 (or 29016099 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 51.

The spelling of 11838559416 in words is "eleven billion, eight hundred thirty-eight million, five hundred fifty-nine thousand, four hundred sixteen".