2011307796 has 36 divisors (see below), whose sum is σ = 5141272500. Its totient is φ = 662901888.

The previous prime is 2011307761. The next prime is 2011307813. The reversal of 2011307796 is 6977031102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 596043396 + 1415264400 = 24414^2 + 37620^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2011307796.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 310671 + ... + 317078.

It is an arithmetic number, because the mean of its divisors is an integer number (142813125).

Almost surely, 2^2011307796 is an apocalyptic number.

It is an amenable number.

2011307796 is an abundant number, since it is smaller than the sum of its proper divisors (3129964704).

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

2011307796 is a wasteful number, since it uses less digits than its factorization.

2011307796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627848 (or 627843 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 36.

The square root of 2011307796 is about 44847.6063575304. The cubic root of 2011307796 is about 1262.2910772282.

Adding to 2011307796 its reverse (6977031102), we get a palindrome (8988338898).

The spelling of 2011307796 in words is "two billion, eleven million, three hundred seven thousand, seven hundred ninety-six".