11866511708 has 6 divisors (see below), whose sum is σ = 20766395496. Its totient is φ = 5933255852.

The previous prime is 11866511687. The next prime is 11866511749. The reversal of 11866511708 is 80711566811.

It is a super-2 number, since 2×11866511708² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1483313960 + ... + 1483313967.

It is an arithmetic number, because the mean of its divisors is an integer number (3461065916).

Almost surely, 2^11866511708 is an apocalyptic number.

It is an amenable number.

11866511708 is a deficient number, since it is larger than the sum of its proper divisors (8899883788).

11866511708 is a wasteful number, since it uses less digits than its factorization.

11866511708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2966627931 (or 2966627929 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 44.

The spelling of 11866511708 in words is "eleven billion, eight hundred sixty-six million, five hundred eleven thousand, seven hundred eight".