4011220863 has 48 divisors (see below), whose sum is σ = 6352155264. Its totient is φ = 2424245760.

The previous prime is 4011220849. The next prime is 4011220883. The reversal of 4011220863 is 3680221104.

It is not a de Polignac number, because 4011220863 - 2⁵ = 4011220831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4011220823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2313745 + ... + 2315477.

It is an arithmetic number, because the mean of its divisors is an integer number (132336568).

Almost surely, 2^4011220863 is an apocalyptic number.

4011220863 is a deficient number, since it is larger than the sum of its proper divisors (2340934401).

4011220863 is a wasteful number, since it uses less digits than its factorization.

4011220863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2096 (or 2093 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 4011220863 is about 63334.1997896871. The cubic root of 4011220863 is about 1588.8840003122.

Adding to 4011220863 its reverse (3680221104), we get a palindrome (7691441967).

The spelling of 4011220863 in words is "four billion, eleven million, two hundred twenty thousand, eight hundred sixty-three".