1100555000001 has 12 divisors (see below), whose sum is σ = 1589733222480. Its totient is φ = 733683640920.

The previous prime is 1100554999997. The next prime is 1100555000003. The reversal of 1100555000001 is 1000005550011.

1100555000001 is a `hidden beast` number, since 110 + 0 + 5 + 550 + 0 + 0 + 0 + 0 + 1 = 666.

It is not a de Polignac number, because 1100555000001 - 2² = 1100554999997 is a prime.

It is a super-2 number, since 2×1100555000001² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1100555000003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1282971 + ... + 1961408.

It is an arithmetic number, because the mean of its divisors is an integer number (132477768540).

Almost surely, 2^{1100555000001} is an apocalyptic number.

It is an amenable number.

1100555000001 is a deficient number, since it is larger than the sum of its proper divisors (489178222479).

1100555000001 is a wasteful number, since it uses less digits than its factorization.

1100555000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3282076 (or 3282073 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 18.

The spelling of 1100555000001 in words is "one trillion, one hundred billion, five hundred fifty-five million, one", and thus it is an aban number.