11830471840 has 48 divisors (see below), whose sum is σ = 30490356960. Its totient is φ = 4301989120.

The previous prime is 11830471823. The next prime is 11830471901. The reversal of 11830471840 is 4817403811.

It is a self number, because there is not a number n which added to its sum of digits gives 11830471840.

It is an unprimeable number.

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, 3359170 + ... + 3362689.

It is an arithmetic number, because the mean of its divisors is an integer number (635215770).

Almost surely, 2^11830471840 is an apocalyptic number.

11830471840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11830471840 is an abundant number, since it is smaller than the sum of its proper divisors (18659885120).

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

11830471840 is a wasteful number, since it uses less digits than its factorization.

11830471840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6721885 (or 6721877 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 37.

The spelling of 11830471840 in words is "eleven billion, eight hundred thirty million, four hundred seventy-one thousand, eight hundred forty".