11819118938 has 16 divisors (see below), whose sum is σ = 19353981024. Its totient is φ = 5368547760.

The previous prime is 11819118937. The next prime is 11819118943. The reversal of 11819118938 is 83981191811.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11819118937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156845 + ... + 219632.

It is an arithmetic number, because the mean of its divisors is an integer number (1209623814).

Almost surely, 2^11819118938 is an apocalyptic number.

11819118938 is a deficient number, since it is larger than the sum of its proper divisors (7534862086).

11819118938 is a wasteful number, since it uses less digits than its factorization.

11819118938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377917.

The product of its digits is 124416, while the sum is 50.

The spelling of 11819118938 in words is "eleven billion, eight hundred nineteen million, one hundred eighteen thousand, nine hundred thirty-eight".