1100666772472 has 16 divisors (see below), whose sum is σ = 2153478468240. Its totient is φ = 526405847616.

The previous prime is 1100666772389. The next prime is 1100666772479. The reversal of 1100666772472 is 2742776660011.

It is a super-2 number, since 2×1100666772472² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100666772479) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2990942133 + ... + 2990942500.

It is an arithmetic number, because the mean of its divisors is an integer number (134592404265).

Almost surely, 2^{1100666772472} is an apocalyptic number.

It is an amenable number.

1100666772472 is a deficient number, since it is larger than the sum of its proper divisors (1052811695768).

1100666772472 is a wasteful number, since it uses less digits than its factorization.

1100666772472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5981884662 (or 5981884658 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 49.

The spelling of 1100666772472 in words is "one trillion, one hundred billion, six hundred sixty-six million, seven hundred seventy-two thousand, four hundred seventy-two".