11715256 has 16 divisors (see below), whose sum is σ = 25104240. Its totient is φ = 5020800.

The previous prime is 11715239. The next prime is 11715271. The reversal of 11715256 is 65251711.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 104545 + ... + 104656.

It is an arithmetic number, because the mean of its divisors is an integer number (1569015).

Almost surely, 2^11715256 is an apocalyptic number.

It is an amenable number.

11715256 is an abundant number, since it is smaller than the sum of its proper divisors (13388984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11715256 is a wasteful number, since it uses less digits than its factorization.

11715256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209214 (or 209210 counting only the distinct ones).

The product of its digits is 2100, while the sum is 28.

The square root of 11715256 is about 3422.7556149980. The cubic root of 11715256 is about 227.1174975691.

Adding to 11715256 its reverse (65251711), we get a palindrome (76966967).

The spelling of 11715256 in words is "eleven million, seven hundred fifteen thousand, two hundred fifty-six".