11537117 has 2 divisors, whose sum is σ = 11537118. Its totient is φ = 11537116.

The previous prime is 11537077. The next prime is 11537143. The reversal of 11537117 is 71173511.

It is an a-pointer prime, because the next prime (11537143) can be obtained adding 11537117 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7513081 + 4024036 = 2741^2 + 2006^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11537117 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11537147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5768558 + 5768559.

It is an arithmetic number, because the mean of its divisors is an integer number (5768559).

Almost surely, 2^11537117 is an apocalyptic number.

It is an amenable number.

11537117 is a deficient number, since it is larger than the sum of its proper divisors (1).

11537117 is an equidigital number, since it uses as much as digits as its factorization.

11537117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 735, while the sum is 26.

The square root of 11537117 is about 3396.6331859652. The cubic root of 11537117 is about 225.9604506981.

The spelling of 11537117 in words is "eleven million, five hundred thirty-seven thousand, one hundred seventeen".