265143115534291 has 2 divisors, whose sum is σ = 265143115534292. Its totient is φ = 265143115534290.

The previous prime is 265143115534217. The next prime is 265143115534313. The reversal of 265143115534291 is 192435511341562.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 265143115534291 - 2⁷ = 265143115534163 is a prime.

It is not a weakly prime, because it can be changed into another prime (265143115544291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132571557767145 + 132571557767146.

It is an arithmetic number, because the mean of its divisors is an integer number (132571557767146).

Almost surely, 2^{265143115534291} is an apocalyptic number.

265143115534291 is a deficient number, since it is larger than the sum of its proper divisors (1).

265143115534291 is an equidigital number, since it uses as much as digits as its factorization.

265143115534291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888000, while the sum is 52.

The spelling of 265143115534291 in words is "two hundred sixty-five trillion, one hundred forty-three billion, one hundred fifteen million, five hundred thirty-four thousand, two hundred ninety-one".