11863118 has 4 divisors (see below), whose sum is σ = 17794680. Its totient is φ = 5931558.

The previous prime is 11863109. The next prime is 11863121. The reversal of 11863118 is 81136811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81136811 = 7 ⋅11590973.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2965778 + ... + 2965781.

It is an arithmetic number, because the mean of its divisors is an integer number (4448670).

Almost surely, 2^11863118 is an apocalyptic number.

11863118 is a deficient number, since it is larger than the sum of its proper divisors (5931562).

11863118 is an equidigital number, since it uses as much as digits as its factorization.

11863118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5931561.

The product of its digits is 1152, while the sum is 29.

The square root of 11863118 is about 3444.2877347864. The cubic root of 11863118 is about 228.0690131701.

Adding to 11863118 its reverse (81136811), we get a palindrome (92999929).

It can be divided in two parts, 118 and 63118, that added together give a palindrome (63236).

The spelling of 11863118 in words is "eleven million, eight hundred sixty-three thousand, one hundred eighteen".