1105881047999 has 8 divisors (see below), whose sum is σ = 1361084366880. Its totient is φ = 874982807136.

The previous prime is 1105881047981. The next prime is 1105881048023. The reversal of 1105881047999 is 9997401885011.

It is a happy number.

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 1105881047999 - 2²⁰ = 1105879999423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105881047969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6076269404 + ... + 6076269585.

It is an arithmetic number, because the mean of its divisors is an integer number (170135545860).

Almost surely, 2^{1105881047999} is an apocalyptic number.

1105881047999 is a deficient number, since it is larger than the sum of its proper divisors (255203318881).

1105881047999 is a wasteful number, since it uses less digits than its factorization.

1105881047999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12152539009.

The product of its (nonzero) digits is 6531840, while the sum is 62.

The spelling of 1105881047999 in words is "one trillion, one hundred five billion, eight hundred eighty-one million, forty-seven thousand, nine hundred ninety-nine".