11556049 has 2 divisors, whose sum is σ = 11556050. Its totient is φ = 11556048.

The previous prime is 11556037. The next prime is 11556053. The reversal of 11556049 is 94065511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8225424 + 3330625 = 2868^2 + 1825^2 .

It is a cyclic number.

It is not a de Polignac number, because 11556049 - 2¹¹ = 11554001 is a prime.

It is equal to p₇₆₀₇₆₅ and since 11556049 and 760765 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11556049.

It is not a weakly prime, because it can be changed into another prime (11556019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5778024 + 5778025.

It is an arithmetic number, because the mean of its divisors is an integer number (5778025).

Almost surely, 2^11556049 is an apocalyptic number.

It is an amenable number.

11556049 is a deficient number, since it is larger than the sum of its proper divisors (1).

11556049 is an equidigital number, since it uses as much as digits as its factorization.

11556049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 11556049 is about 3399.4189209334. The cubic root of 11556049 is about 226.0839808496.

The spelling of 11556049 in words is "eleven million, five hundred fifty-six thousand, forty-nine".