265143114640243 has 8 divisors (see below), whose sum is σ = 308738074190688. Its totient is φ = 222977498025984.

The previous prime is 265143114640181. The next prime is 265143114640301. The reversal of 265143114640243 is 342046411341562.

It is a happy number.

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 265143114640243 - 2³³ = 265134524705651 is a prime.

It is a super-2 number, since 2×265143114640243² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 265143114640193 and 265143114640202.

It is not an unprimeable number, because it can be changed into a prime (265143114640343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 357335733646 + ... + 357335734387.

It is an arithmetic number, because the mean of its divisors is an integer number (38592259273836).

Almost surely, 2^{265143114640243} is an apocalyptic number.

265143114640243 is a deficient number, since it is larger than the sum of its proper divisors (43594959550445).

265143114640243 is an equidigital number, since it uses as much as digits as its factorization.

265143114640243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714671468093.

The product of its (nonzero) digits is 1658880, while the sum is 46.

The spelling of 265143114640243 in words is "two hundred sixty-five trillion, one hundred forty-three billion, one hundred fourteen million, six hundred forty thousand, two hundred forty-three".