1100505556001 has 8 divisors (see below), whose sum is σ = 1109421697824. Its totient is φ = 1091597222560.

The previous prime is 1100505555971. The next prime is 1100505556039. The reversal of 1100505556001 is 1006555050011.

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 1100505556001 - 2³⁰ = 1099431814177 is a prime.

It is a super-2 number, since 2×1100505556001² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1100505556061) 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, 1668911 + ... + 2232996.

It is an arithmetic number, because the mean of its divisors is an integer number (138677712228).

Almost surely, 2^{1100505556001} is an apocalyptic number.

It is an amenable number.

1100505556001 is a deficient number, since it is larger than the sum of its proper divisors (8916141823).

1100505556001 is a wasteful number, since it uses less digits than its factorization.

1100505556001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3904191.

The product of its (nonzero) digits is 3750, while the sum is 29.

The spelling of 1100505556001 in words is "one trillion, one hundred billion, five hundred five million, five hundred fifty-six thousand, one".