1108815991473 has 8 divisors (see below), whose sum is σ = 1478695176000. Its totient is φ = 739073733968.

The previous prime is 1108815991463. The next prime is 1108815991553. The reversal of 1108815991473 is 3741995188011.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1108815991473 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1108815991433) 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, 34212858 + ... + 34245251.

It is an arithmetic number, because the mean of its divisors is an integer number (184836897000).

Almost surely, 2^{1108815991473} is an apocalyptic number.

It is an amenable number.

1108815991473 is a deficient number, since it is larger than the sum of its proper divisors (369879184527).

1108815991473 is an equidigital number, since it uses as much as digits as its factorization.

1108815991473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68463511.

The product of its (nonzero) digits is 2177280, while the sum is 57.

The spelling of 1108815991473 in words is "one trillion, one hundred eight billion, eight hundred fifteen million, nine hundred ninety-one thousand, four hundred seventy-three".