11002943 has 4 divisors (see below), whose sum is σ = 12574800. Its totient is φ = 9431088.

The previous prime is 11002939. The next prime is 11002967. The reversal of 11002943 is 34920011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11002943 - 2² = 11002939 is a prime.

It is a super-2 number, since 2×11002943² = 242129509322498, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11002903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 785918 + ... + 785931.

It is an arithmetic number, because the mean of its divisors is an integer number (3143700).

Almost surely, 2^11002943 is an apocalyptic number.

11002943 is a deficient number, since it is larger than the sum of its proper divisors (1571857).

11002943 is an equidigital number, since it uses as much as digits as its factorization.

11002943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1571856.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 11002943 is about 3317.0684346272. The cubic root of 11002943 is about 222.4178411472.

Adding to 11002943 its reverse (34920011), we get a palindrome (45922954).

The spelling of 11002943 in words is "eleven million, two thousand, nine hundred forty-three".