1101581920683 has 6 divisors (see below), whose sum is σ = 1591173885444. Its totient is φ = 734387947116.

The previous prime is 1101581920679. The next prime is 1101581920711. The reversal of 1101581920683 is 3860291851011.

1101581920683 is a `hidden beast` number, since 1 + 1 + 0 + 1 + 581 + 9 + 2 + 0 + 68 + 3 = 666.

It is not a de Polignac number, because 1101581920683 - 2² = 1101581920679 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1101581920613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61198995585 + ... + 61198995602.

It is an arithmetic number, because the mean of its divisors is an integer number (265195647574).

Almost surely, 2^{1101581920683} is an apocalyptic number.

1101581920683 is a deficient number, since it is larger than the sum of its proper divisors (489591964761).

1101581920683 is a wasteful number, since it uses less digits than its factorization.

1101581920683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122397991193 (or 122397991190 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 45.

The spelling of 1101581920683 in words is "one trillion, one hundred one billion, five hundred eighty-one million, nine hundred twenty thousand, six hundred eighty-three".