11517601 has 2 divisors, whose sum is σ = 11517602. Its totient is φ = 11517600.

The previous prime is 11517581. The next prime is 11517607. The reversal of 11517601 is 10671511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6765201 + 4752400 = 2601^2 + 2180^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11517601 is a prime.

It is a Chen prime.

It is a pancake number, because a pancake can be divided into 11517601 parts by 4799 straight cuts.

It is not a weakly prime, because it can be changed into another prime (11517607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5758800 + 5758801.

It is an arithmetic number, because the mean of its divisors is an integer number (5758801).

Almost surely, 2^11517601 is an apocalyptic number.

It is an amenable number.

11517601 is a deficient number, since it is larger than the sum of its proper divisors (1).

11517601 is an equidigital number, since it uses as much as digits as its factorization.

11517601 is an odious number, because the sum of its binary digits is odd.

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

The square root of 11517601 is about 3393.7591252179. The cubic root of 11517601 is about 225.8329684442.

The spelling of 11517601 in words is "eleven million, five hundred seventeen thousand, six hundred one".