11561883 has 8 divisors (see below), whose sum is σ = 15774528. Its totient is φ = 7528584.

The previous prime is 11561863. The next prime is 11561903. The reversal of 11561883 is 38816511.

It is an interprime number because it is at equal distance from previous prime (11561863) and next prime (11561903).

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

It is not a de Polignac number, because 11561883 - 2⁹ = 11561371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11561833) 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, 44685 + ... + 44942.

It is an arithmetic number, because the mean of its divisors is an integer number (1971816).

Almost surely, 2^11561883 is an apocalyptic number.

11561883 is a deficient number, since it is larger than the sum of its proper divisors (4212645).

11561883 is an equidigital number, since it uses as much as digits as its factorization.

11561883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89673.

The product of its digits is 5760, while the sum is 33.

The square root of 11561883 is about 3400.2769004891. The cubic root of 11561883 is about 226.1220201497.

The spelling of 11561883 in words is "eleven million, five hundred sixty-one thousand, eight hundred eighty-three".