2051226421159 has 2 divisors, whose sum is σ = 2051226421160. Its totient is φ = 2051226421158.

The previous prime is 2051226421073. The next prime is 2051226421219. The reversal of 2051226421159 is 9511246221502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2051226421159 - 2¹¹ = 2051226419111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2051226421759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1025613210579 + 1025613210580.

It is an arithmetic number, because the mean of its divisors is an integer number (1025613210580).

Almost surely, 2^{2051226421159} is an apocalyptic number.

2051226421159 is a deficient number, since it is larger than the sum of its proper divisors (1).

2051226421159 is an equidigital number, since it uses as much as digits as its factorization.

2051226421159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86400, while the sum is 40.

The spelling of 2051226421159 in words is "two trillion, fifty-one billion, two hundred twenty-six million, four hundred twenty-one thousand, one hundred fifty-nine".