2011887894383 has 2 divisors, whose sum is σ = 2011887894384. Its totient is φ = 2011887894382.

The previous prime is 2011887894329. The next prime is 2011887894397. The reversal of 2011887894383 is 3834987881102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2011887894383 - 2²⁰ = 2011886845807 is a prime.

It is a super-2 number, since 2×2011887894383² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2011887894883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005943947191 + 1005943947192.

It is an arithmetic number, because the mean of its divisors is an integer number (1005943947192).

Almost surely, 2^{2011887894383} is an apocalyptic number.

2011887894383 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011887894383 is an equidigital number, since it uses as much as digits as its factorization.

2011887894383 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18579456, while the sum is 62.

The spelling of 2011887894383 in words is "two trillion, eleven billion, eight hundred eighty-seven million, eight hundred ninety-four thousand, three hundred eighty-three".