2050205551291 has 2 divisors, whose sum is σ = 2050205551292. Its totient is φ = 2050205551290.

The previous prime is 2050205551283. The next prime is 2050205551351. The reversal of 2050205551291 is 1921555020502.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2050205551291 - 2³ = 2050205551283 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2050205551291.

It is not a weakly prime, because it can be changed into another prime (2050205551271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1025102775645 + 1025102775646.

It is an arithmetic number, because the mean of its divisors is an integer number (1025102775646).

Almost surely, 2^{2050205551291} is an apocalyptic number.

2050205551291 is a deficient number, since it is larger than the sum of its proper divisors (1).

2050205551291 is an equidigital number, since it uses as much as digits as its factorization.

2050205551291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45000, while the sum is 37.

The spelling of 2050205551291 in words is "two trillion, fifty billion, two hundred five million, five hundred fifty-one thousand, two hundred ninety-one".