265143115544291 has 2 divisors, whose sum is σ = 265143115544292. Its totient is φ = 265143115544290.

The previous prime is 265143115544239. The next prime is 265143115544341. The reversal of 265143115544291 is 192445511341562.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-265143115544291 is a prime.

It is not a weakly prime, because it can be changed into another prime (265143115544201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132571557772145 + 132571557772146.

It is an arithmetic number, because the mean of its divisors is an integer number (132571557772146).

Almost surely, 2^{265143115544291} is an apocalyptic number.

265143115544291 is a deficient number, since it is larger than the sum of its proper divisors (1).

265143115544291 is an equidigital number, since it uses as much as digits as its factorization.

265143115544291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184000, while the sum is 53.

The spelling of 265143115544291 in words is "two hundred sixty-five trillion, one hundred forty-three billion, one hundred fifteen million, five hundred forty-four thousand, two hundred ninety-one".