11145863 has 6 divisors (see below), whose sum is σ = 11840376. Its totient is φ = 10489952.

The previous prime is 11145839. The next prime is 11145899. The reversal of 11145863 is 36854111.

It is not a de Polignac number, because 11145863 - 2¹⁰ = 11144839 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 (11145163) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18995 + ... + 19572.

It is an arithmetic number, because the mean of its divisors is an integer number (1973396).

Almost surely, 2^11145863 is an apocalyptic number.

11145863 is a deficient number, since it is larger than the sum of its proper divisors (694513).

11145863 is an equidigital number, since it uses as much as digits as its factorization.

11145863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38601 (or 38584 counting only the distinct ones).

The product of its digits is 2880, while the sum is 29.

The square root of 11145863 is about 3338.5420470619. The cubic root of 11145863 is about 223.3767151686.

Adding to 11145863 its reverse (36854111), we get a palindrome (47999974).

The spelling of 11145863 in words is "eleven million, one hundred forty-five thousand, eight hundred sixty-three".