11142663 has 8 divisors (see below), whose sum is σ = 16979328. Its totient is φ = 6367224.

The previous prime is 11142653. The next prime is 11142673. The reversal of 11142663 is 36624111.

It is an interprime number because it is at equal distance from previous prime (11142653) and next prime (11142673).

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

It is not a de Polignac number, because 11142663 - 2⁵ = 11142631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11142613) 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, 265281 + ... + 265322.

It is an arithmetic number, because the mean of its divisors is an integer number (2122416).

Almost surely, 2^11142663 is an apocalyptic number.

11142663 is a deficient number, since it is larger than the sum of its proper divisors (5836665).

11142663 is an equidigital number, since it uses as much as digits as its factorization.

11142663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530613.

The product of its digits is 864, while the sum is 24.

The square root of 11142663 is about 3338.0627615430. The cubic root of 11142663 is about 223.3553358190.

Adding to 11142663 its reverse (36624111), we get a palindrome (47766774).

The spelling of 11142663 in words is "eleven million, one hundred forty-two thousand, six hundred sixty-three".