1100605561101 has 12 divisors (see below), whose sum is σ = 1673435356320. Its totient is φ = 695119301640.

The previous prime is 1100605561087. The next prime is 1100605561141. The reversal of 1100605561101 is 1011655060011.

1100605561101 is a `hidden beast` number, since 1 + 1 + 0 + 0 + 6 + 0 + 556 + 1 + 101 = 666.

It is not a de Polignac number, because 1100605561101 - 2³⁴ = 1083425691917 is a prime.

It is a super-2 number, since 2×1100605561101² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100605561141) 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, 3218144745 + ... + 3218145086.

It is an arithmetic number, because the mean of its divisors is an integer number (139452946360).

Almost surely, 2^{1100605561101} is an apocalyptic number.

It is an amenable number.

1100605561101 is a deficient number, since it is larger than the sum of its proper divisors (572829795219).

1100605561101 is a wasteful number, since it uses less digits than its factorization.

1100605561101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6436289856 (or 6436289853 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 27.

The spelling of 1100605561101 in words is "one trillion, one hundred billion, six hundred five million, five hundred sixty-one thousand, one hundred one".