2011206563001 has 64 divisors (see below), whose sum is σ = 3042777830400. Its totient is φ = 1312632718848.

The previous prime is 2011206562997. The next prime is 2011206563011. The reversal of 2011206563001 is 1003656021102.

2011206563001 is a `hidden beast` number, since 2 + 0 + 1 + 1 + 2 + 0 + 656 + 3 + 0 + 0 + 1 = 666.

It is not a de Polignac number, because 2011206563001 - 2² = 2011206562997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2011206563011) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 196038010 + ... + 196048268.

It is an arithmetic number, because the mean of its divisors is an integer number (47543403600).

Almost surely, 2^{2011206563001} is an apocalyptic number.

It is an amenable number.

2011206563001 is a deficient number, since it is larger than the sum of its proper divisors (1031571267399).

2011206563001 is a wasteful number, since it uses less digits than its factorization.

2011206563001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10995 (or 10989 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The spelling of 2011206563001 in words is "two trillion, eleven billion, two hundred six million, five hundred sixty-three thousand, one".