11838767830 has 32 divisors (see below), whose sum is σ = 21522599424. Its totient is φ = 4688271456.

The previous prime is 11838767813. The next prime is 11838767833. The reversal of 11838767830 is 3876783811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11838767833) 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, 2547489 + ... + 2552131.

It is an arithmetic number, because the mean of its divisors is an integer number (672581232).

Almost surely, 2^11838767830 is an apocalyptic number.

11838767830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11838767830 is a deficient number, since it is larger than the sum of its proper divisors (9683831594).

11838767830 is a wasteful number, since it uses less digits than its factorization.

11838767830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7140.

The product of its (nonzero) digits is 1354752, while the sum is 52.

The spelling of 11838767830 in words is "eleven billion, eight hundred thirty-eight million, seven hundred sixty-seven thousand, eight hundred thirty".