2011161243300 has 432 divisors, whose sum is σ = 6728953694400. Its totient is φ = 462749056000.

The previous prime is 2011161243253. The next prime is 2011161243337. The reversal of 2011161243300 is 33421611102.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 62093110 + ... + 62125490.

It is an arithmetic number, because the mean of its divisors is an integer number (15576281700).

Almost surely, 2^{2011161243300} is an apocalyptic number.

2011161243300 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 2011161243300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3364476847200).

2011161243300 is an abundant number, since it is smaller than the sum of its proper divisors (4717792451100).

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

2011161243300 is a wasteful number, since it uses less digits than its factorization.

2011161243300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32508 (or 32490 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 2011161243300 its reverse (33421611102), we get a palindrome (2044582854402).

The spelling of 2011161243300 in words is "two trillion, eleven billion, one hundred sixty-one million, two hundred forty-three thousand, three hundred".