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11485331 = 111380317

11485331 has 8 divisors (see below), whose sum is σ = 13493424. Its totient is φ = 9637920.

The previous prime is 11485277. The next prime is 11485339. The reversal of 11485331 is 13358411.

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 11485331 - 26 = 11485267 is a prime.

It is a super-2 number, since 2×114853312 = 263825656359122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11485331.

It is not an unprimeable number, because it can be changed into a prime (11485339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40016 + ... + 40301.

It is an arithmetic number, because the mean of its divisors is an integer number (1686678).

Almost surely, 211485331 is an apocalyptic number.

11485331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11485331 is a deficient number, since it is larger than the sum of its proper divisors (2008093).

11485331 is a wasteful number, since it uses less digits than its factorization.

11485331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80341.

The product of its digits is 1440, while the sum is 26.

The square root of 11485331 is about 3389.0014753611. The cubic root of 11485331 is about 225.6218583163.

Subtracting 11485331 from its reverse (13358411), we obtain a triangular number (1873080 = T1935).

The spelling of 11485331 in words is "eleven million, four hundred eighty-five thousand, three hundred thirty-one".

Divisors: 1 11 13 143 80317 883487 1044121 11485331