11383557 has 8 divisors (see below), whose sum is σ = 16070976. Its totient is φ = 7142592.

The previous prime is 11383553. The next prime is 11383571. The reversal of 11383557 is 75538311.

11383557 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11383557 - 2² = 11383553 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11383553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111553 + ... + 111654.

It is an arithmetic number, because the mean of its divisors is an integer number (2008872).

Almost surely, 2^11383557 is an apocalyptic number.

11383557 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

11383557 is a deficient number, since it is larger than the sum of its proper divisors (4687419).

11383557 is a wasteful number, since it uses less digits than its factorization.

11383557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223227.

The product of its digits is 12600, while the sum is 33.

The square root of 11383557 is about 3373.9527264027. The cubic root of 11383557 is about 224.9534520992.

The spelling of 11383557 in words is "eleven million, three hundred eighty-three thousand, five hundred fifty-seven".