265140451321163 has 8 divisors (see below), whose sum is σ = 306258489226800. Its totient is φ = 226858140167680.

The previous prime is 265140451321153. The next prime is 265140451321171. The reversal of 265140451321163 is 361123154041562.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 265140451321163 - 2¹⁸ = 265140451059019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (265140451321153) 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 in 7 ways as a sum of consecutive naturals, for example, 708931687838 + ... + 708931688211.

It is an arithmetic number, because the mean of its divisors is an integer number (38282311153350).

Almost surely, 2^{265140451321163} is an apocalyptic number.

265140451321163 is a deficient number, since it is larger than the sum of its proper divisors (41118037905637).

265140451321163 is a wasteful number, since it uses less digits than its factorization.

265140451321163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1417863376077.

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 265140451321163 in words is "two hundred sixty-five trillion, one hundred forty billion, four hundred fifty-one million, three hundred twenty-one thousand, one hundred sixty-three".