11661027 has 8 divisors (see below), whose sum is σ = 17769216. Its totient is φ = 6663432.

The previous prime is 11661019. The next prime is 11661037. The reversal of 11661027 is 72016611.

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

It is not a de Polignac number, because 11661027 - 2³ = 11661019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11660988 and 11661006.

It is not an unprimeable number, because it can be changed into a prime (11661037) 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, 277623 + ... + 277664.

It is an arithmetic number, because the mean of its divisors is an integer number (2221152).

Almost surely, 2^11661027 is an apocalyptic number.

11661027 is a deficient number, since it is larger than the sum of its proper divisors (6108189).

11661027 is an equidigital number, since it uses as much as digits as its factorization.

11661027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555297.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 11661027 is about 3414.8245928598. The cubic root of 11661027 is about 226.7665191067.

Adding to 11661027 its reverse (72016611), we get a palindrome (83677638).

The spelling of 11661027 in words is "eleven million, six hundred sixty-one thousand, twenty-seven".