265142525773121 has 2 divisors, whose sum is σ = 265142525773122. Its totient is φ = 265142525773120.

The previous prime is 265142525773079. The next prime is 265142525773157. The reversal of 265142525773121 is 121377525241562.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139721005092496 + 125421520680625 = 11820364^2 + 11199175^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-265142525773121 is a prime.

It is not a weakly prime, because it can be changed into another prime (265142525773921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132571262886560 + 132571262886561.

It is an arithmetic number, because the mean of its divisors is an integer number (132571262886561).

Almost surely, 2^{265142525773121} is an apocalyptic number.

It is an amenable number.

265142525773121 is a deficient number, since it is larger than the sum of its proper divisors (1).

265142525773121 is an equidigital number, since it uses as much as digits as its factorization.

265142525773121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7056000, while the sum is 53.

The spelling of 265142525773121 in words is "two hundred sixty-five trillion, one hundred forty-two billion, five hundred twenty-five million, seven hundred seventy-three thousand, one hundred twenty-one".