2051529512171 has 2 divisors, whose sum is σ = 2051529512172. Its totient is φ = 2051529512170.

The previous prime is 2051529512147. The next prime is 2051529512189. The reversal of 2051529512171 is 1712159251502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2051529512171 - 2¹⁰ = 2051529511147 is a prime.

It is not a weakly prime, because it can be changed into another prime (2051529514171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1025764756085 + 1025764756086.

It is an arithmetic number, because the mean of its divisors is an integer number (1025764756086).

Almost surely, 2^{2051529512171} is an apocalyptic number.

2051529512171 is a deficient number, since it is larger than the sum of its proper divisors (1).

2051529512171 is an equidigital number, since it uses as much as digits as its factorization.

2051529512171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63000, while the sum is 41.

The spelling of 2051529512171 in words is "two trillion, fifty-one billion, five hundred twenty-nine million, five hundred twelve thousand, one hundred seventy-one".