20111120065051 has 8 divisors (see below), whose sum is σ = 20613273224544. Its totient is φ = 19613511278400.

The previous prime is 20111120065039. The next prime is 20111120065097. The reversal of 20111120065051 is 15056002111102.

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 20111120065051 - 2¹⁷ = 20111119933979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20111120065651) 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, 1136084250 + ... + 1136101951.

It is an arithmetic number, because the mean of its divisors is an integer number (2576659153068).

Almost surely, 2^{20111120065051} is an apocalyptic number.

20111120065051 is a deficient number, since it is larger than the sum of its proper divisors (502153159493).

20111120065051 is a wasteful number, since it uses less digits than its factorization.

20111120065051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2272186421.

The product of its (nonzero) digits is 600, while the sum is 25.

Adding to 20111120065051 its reverse (15056002111102), we get a palindrome (35167122176153).

The spelling of 20111120065051 in words is "twenty trillion, one hundred eleven billion, one hundred twenty million, sixty-five thousand, fifty-one".