11500061 has 2 divisors, whose sum is σ = 11500062. Its totient is φ = 11500060.

The previous prime is 11500057. The next prime is 11500079. The reversal of 11500061 is 16000511.

11500061 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11256025 + 244036 = 3355^2 + 494^2 .

It is an emirp because it is prime and its reverse (16000511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11500061 - 2² = 11500057 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11500001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5750030 + 5750031.

It is an arithmetic number, because the mean of its divisors is an integer number (5750031).

Almost surely, 2^11500061 is an apocalyptic number.

It is an amenable number.

11500061 is a deficient number, since it is larger than the sum of its proper divisors (1).

11500061 is an equidigital number, since it uses as much as digits as its factorization.

11500061 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 14.

The square root of 11500061 is about 3391.1739855100. The cubic root of 11500061 is about 225.7182708684.

Adding to 11500061 its reverse (16000511), we get a palindrome (27500572).

The spelling of 11500061 in words is "eleven million, five hundred thousand, sixty-one".