11660115 has 16 divisors (see below), whose sum is σ = 18839808. Its totient is φ = 6157536.

The previous prime is 11660101. The next prime is 11660119. The reversal of 11660115 is 51106611.

It is not a de Polignac number, because 11660115 - 2⁷ = 11659987 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11660091 and 11660100.

It is not an unprimeable number, because it can be changed into a prime (11660119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2229 + ... + 5318.

It is an arithmetic number, because the mean of its divisors is an integer number (1177488).

Almost surely, 2^11660115 is an apocalyptic number.

11660115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11660115 is a deficient number, since it is larger than the sum of its proper divisors (7179693).

11660115 is a wasteful number, since it uses less digits than its factorization.

11660115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7658.

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 11660115 is about 3414.6910548394. The cubic root of 11660115 is about 226.7606072073.

Adding to 11660115 its reverse (51106611), we get a palindrome (62766726).

The spelling of 11660115 in words is "eleven million, six hundred sixty thousand, one hundred fifteen".