11550641 has 2 divisors, whose sum is σ = 11550642. Its totient is φ = 11550640.

The previous prime is 11550611. The next prime is 11550653. The reversal of 11550641 is 14605511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11458225 + 92416 = 3385^2 + 304^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11550641 is a prime.

It is not a weakly prime, because it can be changed into another prime (11550601) 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 as a sum of consecutive naturals, namely, 5775320 + 5775321.

It is an arithmetic number, because the mean of its divisors is an integer number (5775321).

Almost surely, 2^11550641 is an apocalyptic number.

It is an amenable number.

11550641 is a deficient number, since it is larger than the sum of its proper divisors (1).

11550641 is an equidigital number, since it uses as much as digits as its factorization.

11550641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 11550641 is about 3398.6233977892. The cubic root of 11550641 is about 226.0487077516.

The spelling of 11550641 in words is "eleven million, five hundred fifty thousand, six hundred forty-one".