11711383 has 4 divisors (see below), whose sum is σ = 11852568. Its totient is φ = 11570200.

The previous prime is 11711377. The next prime is 11711407. The reversal of 11711383 is 38311711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38311711 = 733 ⋅52267.

It is a de Polignac number, because none of the positive numbers 2^k-11711383 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 (11711303) 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, 70468 + ... + 70633.

It is an arithmetic number, because the mean of its divisors is an integer number (2963142).

Almost surely, 2^11711383 is an apocalyptic number.

11711383 is a deficient number, since it is larger than the sum of its proper divisors (141185).

11711383 is an equidigital number, since it uses as much as digits as its factorization.

11711383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141184.

The product of its digits is 504, while the sum is 25.

The square root of 11711383 is about 3422.1897960224. The cubic root of 11711383 is about 227.0924668735.

The spelling of 11711383 in words is "eleven million, seven hundred eleven thousand, three hundred eighty-three".