265134451025177 has 2 divisors, whose sum is σ = 265134451025178. Its totient is φ = 265134451025176.

The previous prime is 265134451025089. The next prime is 265134451025221. The reversal of 265134451025177 is 771520154431562.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 247598281385536 + 17536169639641 = 15735256^2 + 4187621^2 .

It is a cyclic number.

It is not a de Polignac number, because 265134451025177 - 2¹⁰ = 265134451024153 is a prime.

It is a super-2 number, since 2×265134451025177² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (265134451025077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132567225512588 + 132567225512589.

It is an arithmetic number, because the mean of its divisors is an integer number (132567225512589).

Almost surely, 2^{265134451025177} is an apocalyptic number.

It is an amenable number.

265134451025177 is a deficient number, since it is larger than the sum of its proper divisors (1).

265134451025177 is an equidigital number, since it uses as much as digits as its factorization.

265134451025177 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 265134451025177 in words is "two hundred sixty-five trillion, one hundred thirty-four billion, four hundred fifty-one million, twenty-five thousand, one hundred seventy-seven".