11153983 has 4 divisors (see below), whose sum is σ = 11455480. Its totient is φ = 10852488.

The previous prime is 11153981. The next prime is 11154019. The reversal of 11153983 is 38935111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11153983 - 2¹ = 11153981 is a prime.

It is a super-2 number, since 2×11153983² = 248822673528578, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11153981) 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 3 ways as a sum of consecutive naturals, for example, 150693 + ... + 150766.

It is an arithmetic number, because the mean of its divisors is an integer number (2863870).

Almost surely, 2^11153983 is an apocalyptic number.

11153983 is a deficient number, since it is larger than the sum of its proper divisors (301497).

11153983 is an equidigital number, since it uses as much as digits as its factorization.

11153983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301496.

The product of its digits is 3240, while the sum is 31.

The square root of 11153983 is about 3339.7579253593. The cubic root of 11153983 is about 223.4309469087.

The spelling of 11153983 in words is "eleven million, one hundred fifty-three thousand, nine hundred eighty-three".