11146643 has 4 divisors (see below), whose sum is σ = 11531040. Its totient is φ = 10762248.

The previous prime is 11146637. The next prime is 11146691. The reversal of 11146643 is 34664111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34664111 = 587 ⋅59053.

It is not a de Polignac number, because 11146643 - 2⁶ = 11146579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11146613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192155 + ... + 192212.

It is an arithmetic number, because the mean of its divisors is an integer number (2882760).

Almost surely, 2^11146643 is an apocalyptic number.

11146643 is a deficient number, since it is larger than the sum of its proper divisors (384397).

11146643 is an equidigital number, since it uses as much as digits as its factorization.

11146643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384396.

The product of its digits is 1728, while the sum is 26.

The square root of 11146643 is about 3338.6588624776. The cubic root of 11146643 is about 223.3819257648.

The spelling of 11146643 in words is "eleven million, one hundred forty-six thousand, six hundred forty-three".