1111100863 has 8 divisors (see below), whose sum is σ = 1121699808. Its totient is φ = 1100515584.

The previous prime is 1111100843. The next prime is 1111100923. The reversal of 1111100863 is 3680011111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1111100863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111100833) 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, 241006 + ... + 245572.

It is an arithmetic number, because the mean of its divisors is an integer number (140212476).

Almost surely, 2^1111100863 is an apocalyptic number.

1111100863 is a deficient number, since it is larger than the sum of its proper divisors (10598945).

1111100863 is a wasteful number, since it uses less digits than its factorization.

1111100863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6833.

The product of its (nonzero) digits is 144, while the sum is 22.

The square root of 1111100863 is about 33333.1796113122. The cubic root of 1111100863 is about 1035.7409843151.

Adding to 1111100863 its reverse (3680011111), we get a palindrome (4791111974).

The spelling of 1111100863 in words is "one billion, one hundred eleven million, one hundred thousand, eight hundred sixty-three".