11001101661066 has 24 divisors (see below), whose sum is σ = 24184240016832. Its totient is φ = 3333667169800.

The previous prime is 11001101661049. The next prime is 11001101661071. The reversal of 11001101661066 is 66016610110011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7576515570 + ... + 7576517021.

It is an arithmetic number, because the mean of its divisors is an integer number (1007676667368).

Almost surely, 2^{11001101661066} is an apocalyptic number.

11001101661066 is an abundant number, since it is smaller than the sum of its proper divisors (13183138355766).

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

11001101661066 is a wasteful number, since it uses less digits than its factorization.

11001101661066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15153032618 (or 15153032607 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 30.

Adding to 11001101661066 its reverse (66016610110011), we get a palindrome (77017711771077).

The spelling of 11001101661066 in words is "eleven trillion, one billion, one hundred one million, six hundred sixty-one thousand, sixty-six".