11517061 has 2 divisors, whose sum is σ = 11517062. Its totient is φ = 11517060.

The previous prime is 11517047. The next prime is 11517067. The reversal of 11517061 is 16071511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5904900 + 5612161 = 2430^2 + 2369^2 .

It is a cyclic number.

It is not a de Polignac number, because 11517061 - 2⁷ = 11516933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11517067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5758530 + 5758531.

It is an arithmetic number, because the mean of its divisors is an integer number (5758531).

Almost surely, 2^11517061 is an apocalyptic number.

It is an amenable number.

11517061 is a deficient number, since it is larger than the sum of its proper divisors (1).

11517061 is an equidigital number, since it uses as much as digits as its factorization.

11517061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 210, while the sum is 22.

The square root of 11517061 is about 3393.6795664883. The cubic root of 11517061 is about 225.8294390140.

Adding to 11517061 its reverse (16071511), we get a palindrome (27588572).

The spelling of 11517061 in words is "eleven million, five hundred seventeen thousand, sixty-one".