11552203 has 4 divisors (see below), whose sum is σ = 12440848. Its totient is φ = 10663560.

The previous prime is 11552161. The next prime is 11552213. The reversal of 11552203 is 30225511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30225511 = 29 ⋅1042259.

It is a cyclic number.

It is not a de Polignac number, because 11552203 - 2¹³ = 11544011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11552213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 444303 + ... + 444328.

It is an arithmetic number, because the mean of its divisors is an integer number (3110212).

Almost surely, 2^11552203 is an apocalyptic number.

11552203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11552203 is a deficient number, since it is larger than the sum of its proper divisors (888645).

11552203 is an equidigital number, since it uses as much as digits as its factorization.

11552203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888644.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 11552203 is about 3398.8531889448. The cubic root of 11552203 is about 226.0588968591.

Adding to 11552203 its reverse (30225511), we get a palindrome (41777714).

The spelling of 11552203 in words is "eleven million, five hundred fifty-two thousand, two hundred three".