11942371830 has 16 divisors (see below), whose sum is σ = 28661692464. Its totient is φ = 3184632480.

The previous prime is 11942371829. The next prime is 11942371867. The reversal of 11942371830 is 3817324911.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199039501 + ... + 199039560.

It is an arithmetic number, because the mean of its divisors is an integer number (1791355779).

Almost surely, 2^11942371830 is an apocalyptic number.

11942371830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11942371830 is an abundant number, since it is smaller than the sum of its proper divisors (16719320634).

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

11942371830 is a wasteful number, since it uses less digits than its factorization.

11942371830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398079071.

The product of its (nonzero) digits is 36288, while the sum is 39.

The spelling of 11942371830 in words is "eleven billion, nine hundred forty-two million, three hundred seventy-one thousand, eight hundred thirty".