11662211756 has 48 divisors (see below), whose sum is σ = 22175032320. Its totient is φ = 5334638400.

The previous prime is 11662211741. The next prime is 11662211789. The reversal of 11662211756 is 65711226611.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5976581 + ... + 5978531.

It is an arithmetic number, because the mean of its divisors is an integer number (461979840).

Almost surely, 2^11662211756 is an apocalyptic number.

It is an amenable number.

11662211756 is a deficient number, since it is larger than the sum of its proper divisors (10512820564).

11662211756 is a wasteful number, since it uses less digits than its factorization.

11662211756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2934 (or 2932 counting only the distinct ones).

The product of its digits is 30240, while the sum is 38.

The spelling of 11662211756 in words is "eleven billion, six hundred sixty-two million, two hundred eleven thousand, seven hundred fifty-six".