11841219738 has 40 divisors (see below), whose sum is σ = 27448048980. Its totient is φ = 3810965760.

The previous prime is 11841219727. The next prime is 11841219739. The reversal of 11841219738 is 83791214811.

It is a happy number.

11841219738 is a `hidden beast` number, since 1 + 18 + 412 + 197 + 38 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11303304489 + 537915249 = 106317^2 + 23193^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11841219693 and 11841219702.

It is not an unprimeable number, because it can be changed into a prime (11841219739) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1255543 + ... + 1264938.

Almost surely, 2^11841219738 is an apocalyptic number.

11841219738 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11841219738 is an abundant number, since it is smaller than the sum of its proper divisors (15606829242).

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

11841219738 is a wasteful number, since it uses less digits than its factorization.

11841219738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2520524 (or 2520515 counting only the distinct ones).

The product of its digits is 96768, while the sum is 45.

The spelling of 11841219738 in words is "eleven billion, eight hundred forty-one million, two hundred nineteen thousand, seven hundred thirty-eight".