11138517 has 48 divisors (see below), whose sum is σ = 18590208. Its totient is φ = 6376320.

The previous prime is 11138513. The next prime is 11138527. The reversal of 11138517 is 71583111.

11138517 is a `hidden beast` number, since 11 + 138 + 517 = 666.

It is not a de Polignac number, because 11138517 - 2² = 11138513 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11138513) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 134158 + ... + 134240.

It is an arithmetic number, because the mean of its divisors is an integer number (387296).

Almost surely, 2^11138517 is an apocalyptic number.

It is an amenable number.

11138517 is a deficient number, since it is larger than the sum of its proper divisors (7451691).

11138517 is a wasteful number, since it uses less digits than its factorization.

11138517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170 (or 167 counting only the distinct ones).

The product of its digits is 840, while the sum is 27.

The square root of 11138517 is about 3337.4416848838. The cubic root of 11138517 is about 223.3276301110.

The spelling of 11138517 in words is "eleven million, one hundred thirty-eight thousand, five hundred seventeen".