11111706660 has 24 divisors (see below), whose sum is σ = 31112778816. Its totient is φ = 2963121760.

The previous prime is 11111706647. The next prime is 11111706691. The reversal of 11111706660 is 6660711111.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92597496 + ... + 92597615.

It is an arithmetic number, because the mean of its divisors is an integer number (1296365784).

Almost surely, 2^11111706660 is an apocalyptic number.

11111706660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11111706660 is an abundant number, since it is smaller than the sum of its proper divisors (20001072156).

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

11111706660 is a wasteful number, since it uses less digits than its factorization.

11111706660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185195123 (or 185195121 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 30.

The spelling of 11111706660 in words is "eleven billion, one hundred eleven million, seven hundred six thousand, six hundred sixty".