1108566612621 has 48 divisors (see below), whose sum is σ = 1727666006976. Its totient is φ = 680918565888.

The previous prime is 1108566612611. The next prime is 1108566612649. The reversal of 1108566612621 is 1262166658011.

It is not a de Polignac number, because 1108566612621 - 2⁵ = 1108566612589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1108566612611) 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 47 ways as a sum of consecutive naturals, for example, 238758526 + ... + 238763168.

It is an arithmetic number, because the mean of its divisors is an integer number (35993041812).

Almost surely, 2^{1108566612621} is an apocalyptic number.

It is an amenable number.

1108566612621 is a deficient number, since it is larger than the sum of its proper divisors (619099394355).

1108566612621 is a wasteful number, since it uses less digits than its factorization.

1108566612621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8042 (or 8039 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 1108566612621 in words is "one trillion, one hundred eight billion, five hundred sixty-six million, six hundred twelve thousand, six hundred twenty-one".