11487311 has 8 divisors (see below), whose sum is σ = 12691200. Its totient is φ = 10310040.

The previous prime is 11487299. The next prime is 11487323. The reversal of 11487311 is 11378411.

It is an interprime number because it is at equal distance from previous prime (11487299) and next prime (11487323).

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 11487311 - 2⁶ = 11487247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11487331) 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, 5741 + ... + 7478.

It is an arithmetic number, because the mean of its divisors is an integer number (1586400).

Almost surely, 2^11487311 is an apocalyptic number.

11487311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11487311 is a deficient number, since it is larger than the sum of its proper divisors (1203889).

11487311 is a wasteful number, since it uses less digits than its factorization.

11487311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13309.

The product of its digits is 672, while the sum is 26.

The square root of 11487311 is about 3389.2935842149. The cubic root of 11487311 is about 225.6348228421.

Subtracting from 11487311 its reverse (11378411), we obtain a square (108900 = 330²).

The spelling of 11487311 in words is "eleven million, four hundred eighty-seven thousand, three hundred eleven".