11200531 has 2 divisors, whose sum is σ = 11200532. Its totient is φ = 11200530.

The previous prime is 11200499. The next prime is 11200549. The reversal of 11200531 is 13500211.

It is a strong prime.

It is an emirp because it is prime and its reverse (13500211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11200531 - 2⁵ = 11200499 is a prime.

It is a super-2 number, since 2×11200531² = 250903789363922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11200571) 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 as a sum of consecutive naturals, namely, 5600265 + 5600266.

It is an arithmetic number, because the mean of its divisors is an integer number (5600266).

Almost surely, 2^11200531 is an apocalyptic number.

11200531 is a deficient number, since it is larger than the sum of its proper divisors (1).

11200531 is an equidigital number, since it uses as much as digits as its factorization.

11200531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 11200531 is about 3346.7194384950. The cubic root of 11200531 is about 223.7413242165.

Adding to 11200531 its reverse (13500211), we get a palindrome (24700742).

The spelling of 11200531 in words is "eleven million, two hundred thousand, five hundred thirty-one".