11811283 has 8 divisors (see below), whose sum is σ = 13185216. Its totient is φ = 10487400.

The previous prime is 11811271. The next prime is 11811287. The reversal of 11811283 is 38211811.

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

It is a de Polignac number, because none of the positive numbers 2^k-11811283 is a prime.

It is a super-2 number, since 2×11811283² = 279012812212178, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11811287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12013 + ... + 12958.

It is an arithmetic number, because the mean of its divisors is an integer number (1648152).

Almost surely, 2^11811283 is an apocalyptic number.

11811283 is a deficient number, since it is larger than the sum of its proper divisors (1373933).

11811283 is a wasteful number, since it uses less digits than its factorization.

11811283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25025.

The product of its digits is 384, while the sum is 25.

The square root of 11811283 is about 3436.7547192082. The cubic root of 11811283 is about 227.7363513971.

The spelling of 11811283 in words is "eleven million, eight hundred eleven thousand, two hundred eighty-three".