11377643 has 4 divisors (see below), whose sum is σ = 11421168. Its totient is φ = 11334120.

The previous prime is 11377627. The next prime is 11377649. The reversal of 11377643 is 34677311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34677311 = 463 ⋅74897.

It is a cyclic number.

It is not a de Polignac number, because 11377643 - 2⁴ = 11377627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11377649) 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, 21368 + ... + 21893.

It is an arithmetic number, because the mean of its divisors is an integer number (2855292).

Almost surely, 2^11377643 is an apocalyptic number.

11377643 is a deficient number, since it is larger than the sum of its proper divisors (43525).

11377643 is an equidigital number, since it uses as much as digits as its factorization.

11377643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43524.

The product of its digits is 10584, while the sum is 32.

The square root of 11377643 is about 3373.0761924392. The cubic root of 11377643 is about 224.9144893167.

The spelling of 11377643 in words is "eleven million, three hundred seventy-seven thousand, six hundred forty-three".