11116537 has 2 divisors, whose sum is σ = 11116538. Its totient is φ = 11116536.

The previous prime is 11116517. The next prime is 11116543. The reversal of 11116537 is 73561111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5659641 + 5456896 = 2379^2 + 2336^2 .

It is a cyclic number.

It is not a de Polignac number, because 11116537 - 2¹¹ = 11114489 is a prime.

It is not a weakly prime, because it can be changed into another prime (11116517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5558268 + 5558269.

It is an arithmetic number, because the mean of its divisors is an integer number (5558269).

Almost surely, 2^11116537 is an apocalyptic number.

It is an amenable number.

11116537 is a deficient number, since it is larger than the sum of its proper divisors (1).

11116537 is an equidigital number, since it uses as much as digits as its factorization.

11116537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 630, while the sum is 25.

The square root of 11116537 is about 3334.1471173300. The cubic root of 11116537 is about 223.1806334712.

Adding to 11116537 its reverse (73561111), we get a palindrome (84677648).

The spelling of 11116537 in words is "eleven million, one hundred sixteen thousand, five hundred thirty-seven".