11680015 has 8 divisors (see below), whose sum is σ = 14106240. Its totient is φ = 9283872.

The previous prime is 11679991. The next prime is 11680027. The reversal of 11680015 is 51008611.

11680015 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11680015 is a prime.

It is a super-4 number, since 4×11680015⁴ (a number of 29 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6655 + ... + 8224.

It is an arithmetic number, because the mean of its divisors is an integer number (1763280).

Almost surely, 2^11680015 is an apocalyptic number.

11680015 is a deficient number, since it is larger than the sum of its proper divisors (2426225).

11680015 is a wasteful number, since it uses less digits than its factorization.

11680015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15041.

The product of its (nonzero) digits is 240, while the sum is 22.

The square root of 11680015 is about 3417.6036926478. The cubic root of 11680015 is about 226.8895359349.

Adding to 11680015 its reverse (51008611), we get a palindrome (62688626).

The spelling of 11680015 in words is "eleven million, six hundred eighty thousand, fifteen".