11231715 has 16 divisors (see below), whose sum is σ = 19604736. Its totient is φ = 5445600.

The previous prime is 11231699. The next prime is 11231723. The reversal of 11231715 is 51713211.

It is a happy number.

It is not a de Polignac number, because 11231715 - 2⁴ = 11231699 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11231691 and 11231700.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 33871 + ... + 34200.

It is an arithmetic number, because the mean of its divisors is an integer number (1225296).

Almost surely, 2^11231715 is an apocalyptic number.

11231715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11231715 is a deficient number, since it is larger than the sum of its proper divisors (8373021).

11231715 is a wasteful number, since it uses less digits than its factorization.

11231715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68090.

The product of its digits is 210, while the sum is 21.

The square root of 11231715 is about 3351.3750909142. The cubic root of 11231715 is about 223.9487752234.

Adding to 11231715 its reverse (51713211), we get a palindrome (62944926).

The spelling of 11231715 in words is "eleven million, two hundred thirty-one thousand, seven hundred fifteen".