2011960321983 has 12 divisors (see below), whose sum is σ = 2942951808160. Its totient is φ = 1324328312736.

The previous prime is 2011960321909. The next prime is 2011960322081. The reversal of 2011960321983 is 3891230691102.

It is a happy number.

2011960321983 is a `hidden beast` number, since 2 + 0 + 1 + 19 + 603 + 21 + 9 + 8 + 3 = 666.

It is not a de Polignac number, because 2011960321983 - 2⁸ = 2011960321727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011960321883) 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, 1414879966 + ... + 1414881387.

Almost surely, 2^{2011960321983} is an apocalyptic number.

2011960321983 is a deficient number, since it is larger than the sum of its proper divisors (930991486177).

2011960321983 is a wasteful number, since it uses less digits than its factorization.

2011960321983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2829761438 (or 2829761435 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The spelling of 2011960321983 in words is "two trillion, eleven billion, nine hundred sixty million, three hundred twenty-one thousand, nine hundred eighty-three".