2011863296 has 72 divisors (see below), whose sum is σ = 4199193600. Its totient is φ = 960860160.

The previous prime is 2011863289. The next prime is 2011863299. The reversal of 2011863296 is 6923681102.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2011863299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 625340 + ... + 628548.

Almost surely, 2^2011863296 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2011863296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2099596800).

2011863296 is an abundant number, since it is smaller than the sum of its proper divisors (2187330304).

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

2011863296 is an equidigital number, since it uses as much as digits as its factorization.

2011863296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3335 (or 3321 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 2011863296 is about 44853.7991256036. The cubic root of 2011863296 is about 1262.4072766068.

The spelling of 2011863296 in words is "two billion, eleven million, eight hundred sixty-three thousand, two hundred ninety-six".