11640115 has 8 divisors (see below), whose sum is σ = 14010480. Its totient is φ = 9283872.

The previous prime is 11640091. The next prime is 11640119. The reversal of 11640115 is 51104611.

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 11640115 - 2⁷ = 11639987 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11640092 and 11640101.

It is not an unprimeable number, because it can be changed into a prime (11640119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1620 + ... + 5089.

It is an arithmetic number, because the mean of its divisors is an integer number (1751310).

Almost surely, 2^11640115 is an apocalyptic number.

11640115 is a deficient number, since it is larger than the sum of its proper divisors (2370365).

11640115 is an equidigital number, since it uses as much as digits as its factorization.

11640115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7061.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 11640115 is about 3411.7612753532. The cubic root of 11640115 is about 226.6308827113.

Adding to 11640115 its reverse (51104611), we get a palindrome (62744726).

The spelling of 11640115 in words is "eleven million, six hundred forty thousand, one hundred fifteen".