11738216580 has 96 divisors (see below), whose sum is σ = 33829501440. Its totient is φ = 3039828480.

The previous prime is 11738216579. The next prime is 11738216683. The reversal of 11738216580 is 8561283711.

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, 268842 + ... + 309438.

It is an arithmetic number, because the mean of its divisors is an integer number (352390640).

Almost surely, 2^11738216580 is an apocalyptic number.

11738216580 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 11738216580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16914750720).

11738216580 is an abundant number, since it is smaller than the sum of its proper divisors (22091284860).

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

11738216580 is a wasteful number, since it uses less digits than its factorization.

11738216580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40749 (or 40747 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 42.

The spelling of 11738216580 in words is "eleven billion, seven hundred thirty-eight million, two hundred sixteen thousand, five hundred eighty".