265243455551241 has 10 divisors (see below), whose sum is σ = 396227878045802. Its totient is φ = 176828970367440.

The previous prime is 265243455551231. The next prime is 265243455551267. The reversal of 265243455551241 is 142155554342562.

265243455551241 is a `hidden beast` number, since 2 + 6 + 5 + 2 + 4 + 3 + 45 + 5 + 551 + 2 + 41 = 666.

It can be written as a sum of positive squares in only one way, i.e., 245248284764025 + 19995170787216 = 15660405^2 + 4471596^2 .

It is not a de Polignac number, because 265243455551241 - 2¹⁸ = 265243455289097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (265243455551201) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1637305281100 + ... + 1637305281261.

Almost surely, 2^{265243455551241} is an apocalyptic number.

It is an amenable number.

265243455551241 is a deficient number, since it is larger than the sum of its proper divisors (130984422494561).

265243455551241 is an equidigital number, since it uses as much as digits as its factorization.

265243455551241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3274610562373 (or 3274610562364 counting only the distinct ones).

The product of its digits is 28800000, while the sum is 54.

The spelling of 265243455551241 in words is "two hundred sixty-five trillion, two hundred forty-three billion, four hundred fifty-five million, five hundred fifty-one thousand, two hundred forty-one".