2001986547311 has 2 divisors, whose sum is σ = 2001986547312. Its totient is φ = 2001986547310.

The previous prime is 2001986547289. The next prime is 2001986547329. The reversal of 2001986547311 is 1137456891002.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2001986547311 is a prime.

It is a super-2 number, since 2×2001986547311² (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 (2001986547331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000993273655 + 1000993273656.

It is an arithmetic number, because the mean of its divisors is an integer number (1000993273656).

It is a 1-persistent number, because it is pandigital, but 2⋅2001986547311 = 4003973094622 is not.

Almost surely, 2^{2001986547311} is an apocalyptic number.

2001986547311 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001986547311 is an equidigital number, since it uses as much as digits as its factorization.

2001986547311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 47.

The spelling of 2001986547311 in words is "two trillion, one billion, nine hundred eighty-six million, five hundred forty-seven thousand, three hundred eleven".