11814932780 has 96 divisors (see below), whose sum is σ = 28957824000. Its totient is φ = 3965195520.

The previous prime is 11814932771. The next prime is 11814932783. The reversal of 11814932780 is 8723941811.

It is not an unprimeable number, because it can be changed into a prime (11814932783) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 3700985 + ... + 3704175.

It is an arithmetic number, because the mean of its divisors is an integer number (301644000).

Almost surely, 2^11814932780 is an apocalyptic number.

11814932780 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 11814932780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14478912000).

11814932780 is an abundant number, since it is smaller than the sum of its proper divisors (17142891220).

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

11814932780 is a wasteful number, since it uses less digits than its factorization.

11814932780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3759 (or 3757 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 44.

The spelling of 11814932780 in words is "eleven billion, eight hundred fourteen million, nine hundred thirty-two thousand, seven hundred eighty".