2050266278161 has 2 divisors, whose sum is σ = 2050266278162. Its totient is φ = 2050266278160.

The previous prime is 2050266278113. The next prime is 2050266278167. The reversal of 2050266278161 is 1618726620502.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1654554827025 + 395711451136 = 1286295^2 + 629056^2 .

It is a cyclic number.

It is not a de Polignac number, because 2050266278161 - 2³⁵ = 2015906539793 is a prime.

It is a super-2 number, since 2×2050266278161² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2050266278167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1025133139080 + 1025133139081.

It is an arithmetic number, because the mean of its divisors is an integer number (1025133139081).

Almost surely, 2^{2050266278161} is an apocalyptic number.

It is an amenable number.

2050266278161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2050266278161 is an equidigital number, since it uses as much as digits as its factorization.

2050266278161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 2050266278161 in words is "two trillion, fifty billion, two hundred sixty-six million, two hundred seventy-eight thousand, one hundred sixty-one".