1108620559991 has 8 divisors (see below), whose sum is σ = 1278836000640. Its totient is φ = 941365388088.

The previous prime is 1108620559987. The next prime is 1108620560039. The reversal of 1108620559991 is 1999550268011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1108620559991 - 2² = 1108620559987 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1108620559931) 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, 740066381 + ... + 740067878.

It is an arithmetic number, because the mean of its divisors is an integer number (159854500080).

Almost surely, 2^{1108620559991} is an apocalyptic number.

1108620559991 is a deficient number, since it is larger than the sum of its proper divisors (170215440649).

1108620559991 is a wasteful number, since it uses less digits than its factorization.

1108620559991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1480134373.

The product of its (nonzero) digits is 1749600, while the sum is 56.

The spelling of 1108620559991 in words is "one trillion, one hundred eight billion, six hundred twenty million, five hundred fifty-nine thousand, nine hundred ninety-one".