2011316880 has 160 divisors (see below), whose sum is σ = 6542438400. Its totient is φ = 510174720.

The previous prime is 2011316851. The next prime is 2011316933. The reversal of 2011316880 is 886131102.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1097565 + ... + 1099395.

It is an arithmetic number, because the mean of its divisors is an integer number (40890240).

Almost surely, 2^2011316880 is an apocalyptic number.

2011316880 is a gapful number since it is divisible by the number (20) 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 2011316880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3271219200).

2011316880 is an abundant number, since it is smaller than the sum of its proper divisors (4531121520).

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

2011316880 is a wasteful number, since it uses less digits than its factorization.

2011316880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2069 (or 2063 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 2011316880 is about 44847.7076337242. The cubic root of 2011316880 is about 1262.2929775895.

Adding to 2011316880 its reverse (886131102), we get a palindrome (2897447982).

The spelling of 2011316880 in words is "two billion, eleven million, three hundred sixteen thousand, eight hundred eighty".