11884835840 has 88 divisors (see below), whose sum is σ = 28871543040. Its totient is φ = 4693598208.

The previous prime is 11884835827. The next prime is 11884835861. The reversal of 11884835840 is 4853848811.

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, 389789 + ... + 419171.

Almost surely, 2^11884835840 is an apocalyptic number.

11884835840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11884835840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14435771520).

11884835840 is an abundant number, since it is smaller than the sum of its proper divisors (16986707200).

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

11884835840 is an equidigital number, since it uses as much as digits as its factorization.

11884835840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29487 (or 29469 counting only the distinct ones).

The product of its (nonzero) digits is 983040, while the sum is 50.

The spelling of 11884835840 in words is "eleven billion, eight hundred eighty-four million, eight hundred thirty-five thousand, eight hundred forty".