201045216542011 has 4 divisors (see below), whose sum is σ = 202579912851624. Its totient is φ = 199510520232400.

The previous prime is 201045216541937. The next prime is 201045216542029. The reversal of 201045216542011 is 110245612540102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201045216542011 - 2¹¹ = 201045216539963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201045216540011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 767348154610 + ... + 767348154871.

It is an arithmetic number, because the mean of its divisors is an integer number (50644978212906).

Almost surely, 2^{201045216542011} is an apocalyptic number.

201045216542011 is a deficient number, since it is larger than the sum of its proper divisors (1534696309613).

201045216542011 is a wasteful number, since it uses less digits than its factorization.

201045216542011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1534696309612.

The product of its (nonzero) digits is 19200, while the sum is 34.

The spelling of 201045216542011 in words is "two hundred one trillion, forty-five billion, two hundred sixteen million, five hundred forty-two thousand, eleven".