11552211 has 12 divisors (see below), whose sum is σ = 18203640. Its totient is φ = 7001280.

The previous prime is 11552161. The next prime is 11552213. The reversal of 11552211 is 11225511.

It is not a de Polignac number, because 11552211 - 2⁹ = 11551699 is a prime.

It is a zygodrome in base 10.

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 11 ways as a sum of consecutive naturals, for example, 58246 + ... + 58443.

It is an arithmetic number, because the mean of its divisors is an integer number (1516970).

Almost surely, 2^11552211 is an apocalyptic number.

11552211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11552211 is a deficient number, since it is larger than the sum of its proper divisors (6651429).

11552211 is a wasteful number, since it uses less digits than its factorization.

11552211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116706 (or 116703 counting only the distinct ones).

The product of its digits is 100, while the sum is 18.

The square root of 11552211 is about 3398.8543658121. The cubic root of 11552211 is about 226.0589490416.

Adding to 11552211 its reverse (11225511), we get a palindrome (22777722).

It can be divided in two parts, 115 and 52211, that added together give a triangular number (52326 = T₃₂₃).

The spelling of 11552211 in words is "eleven million, five hundred fifty-two thousand, two hundred eleven".