1106666111720 has 64 divisors (see below), whose sum is σ = 2686059850320. Its totient is φ = 407926001664.

The previous prime is 1106666111711. The next prime is 1106666111767. The reversal of 1106666111720 is 271116666011.

It can be written as a sum of positive squares in 8 ways, for example, as 689368199524 + 417297912196 = 830282^2 + 645986^2 .

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, 1486079 + ... + 2102798.

Almost surely, 2^{1106666111720} is an apocalyptic number.

1106666111720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1106666111720 is an abundant number, since it is smaller than the sum of its proper divisors (1579393738600).

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

1106666111720 is a wasteful number, since it uses less digits than its factorization.

1106666111720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3589494 (or 3589490 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 38.

The spelling of 1106666111720 in words is "one trillion, one hundred six billion, six hundred sixty-six million, one hundred eleven thousand, seven hundred twenty".