11116513 has 8 divisors (see below), whose sum is σ = 11340648. Its totient is φ = 10894464.

The previous prime is 11116499. The next prime is 11116517. The reversal of 11116513 is 31561111.

It can be written as a sum of positive squares in 4 ways, for example, as 2396304 + 8720209 = 1548^2 + 2953^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11116513 - 2¹⁷ = 10985441 is a prime.

It is a super-2 number, since 2×11116513² = 247153722558338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11116517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13995 + ... + 14767.

It is an arithmetic number, because the mean of its divisors is an integer number (1417581).

Almost surely, 2^11116513 is an apocalyptic number.

It is an amenable number.

11116513 is a deficient number, since it is larger than the sum of its proper divisors (224135).

11116513 is an equidigital number, since it uses as much as digits as its factorization.

11116513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043.

The product of its digits is 90, while the sum is 19.

The square root of 11116513 is about 3334.1435182067. The cubic root of 11116513 is about 223.1804728595.

Adding to 11116513 its reverse (31561111), we get a palindrome (42677624).

The spelling of 11116513 in words is "eleven million, one hundred sixteen thousand, five hundred thirteen".