11161300000 has 144 divisors (see below), whose sum is σ = 27639480960. Its totient is φ = 4436320000.

The previous prime is 11161299983. The next prime is 11161300013. The reversal of 11161300000 is 316111.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23899767 + ... + 23900233.

It is an arithmetic number, because the mean of its divisors is an integer number (191940840).

Almost surely, 2^11161300000 is an apocalyptic number.

11161300000 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 11161300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13819740480).

11161300000 is an abundant number, since it is smaller than the sum of its proper divisors (16478180960).

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

11161300000 is an frugal number, since it uses more digits than its factorization.

11161300000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741 (or 713 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 11161300000 its reverse (316111), we get a palindrome (11161616111).

The spelling of 11161300000 in words is "eleven billion, one hundred sixty-one million, three hundred thousand".