11101943 has 4 divisors (see below), whose sum is σ = 11115480. Its totient is φ = 11088408.

The previous prime is 11101933. The next prime is 11101957. The reversal of 11101943 is 34910111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34910111 = 1579 ⋅22109.

It is a cyclic number.

It is not a de Polignac number, because 11101943 - 2⁴ = 11101927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101903) 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, 5453 + ... + 7206.

It is an arithmetic number, because the mean of its divisors is an integer number (2778870).

Almost surely, 2^11101943 is an apocalyptic number.

11101943 is a deficient number, since it is larger than the sum of its proper divisors (13537).

11101943 is an equidigital number, since it uses as much as digits as its factorization.

11101943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13536.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 11101943 is about 3331.9578328664. The cubic root of 11101943 is about 223.0829254490.

The spelling of 11101943 in words is "eleven million, one hundred one thousand, nine hundred forty-three".