11718711 has 6 divisors (see below), whose sum is σ = 16927040. Its totient is φ = 7812468.

The previous prime is 11718709. The next prime is 11718739. The reversal of 11718711 is 11781711.

It is a happy number.

11718711 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11718711 - 2¹ = 11718709 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 (11718761) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 651031 + ... + 651048.

Almost surely, 2^11718711 is an apocalyptic number.

11718711 is a deficient number, since it is larger than the sum of its proper divisors (5208329).

11718711 is a wasteful number, since it uses less digits than its factorization.

11718711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302085 (or 1302082 counting only the distinct ones).

The product of its digits is 392, while the sum is 27.

The square root of 11718711 is about 3423.2602880880. The cubic root of 11718711 is about 227.1398221297.

The spelling of 11718711 in words is "eleven million, seven hundred eighteen thousand, seven hundred eleven".