11102166661506 has 16 divisors (see below), whose sum is σ = 22204759018944. Its totient is φ = 3700651271184.

The previous prime is 11102166661501. The next prime is 11102166661513. The reversal of 11102166661506 is 60516666120111.

It is not an unprimeable number, because it can be changed into a prime (11102166661501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17397790 + ... + 18024633.

It is an arithmetic number, because the mean of its divisors is an integer number (1387797438684).

Almost surely, 2^{11102166661506} is an apocalyptic number.

11102166661506 is an abundant number, since it is smaller than the sum of its proper divisors (11102592357438).

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

11102166661506 is a wasteful number, since it uses less digits than its factorization.

11102166661506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35474665.

The product of its (nonzero) digits is 77760, while the sum is 42.

The spelling of 11102166661506 in words is "eleven trillion, one hundred two billion, one hundred sixty-six million, six hundred sixty-one thousand, five hundred six".