11140943 has 8 divisors (see below), whose sum is σ = 12203136. Its totient is φ = 10087000.

The previous prime is 11140939. The next prime is 11140957. The reversal of 11140943 is 34904111.

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

It is not a de Polignac number, because 11140943 - 2² = 11140939 is a prime.

It is a super-2 number, since 2×11140943² = 248241221858498, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11140903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 968 + ... + 4818.

It is an arithmetic number, because the mean of its divisors is an integer number (1525392).

Almost surely, 2^11140943 is an apocalyptic number.

11140943 is a deficient number, since it is larger than the sum of its proper divisors (1062193).

11140943 is a wasteful number, since it uses less digits than its factorization.

11140943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4125.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 11140943 is about 3337.8051171391. The cubic root of 11140943 is about 223.3438427272.

The spelling of 11140943 in words is "eleven million, one hundred forty thousand, nine hundred forty-three".