265163113203751 has 6 divisors (see below), whose sum is σ = 308455050053400. Its totient is φ = 227282668460316.

The previous prime is 265163113203733. The next prime is 265163113203763. The reversal of 265163113203751 is 157302311361562.

It is not a de Polignac number, because 265163113203751 - 2⁷ = 265163113203623 is a prime.

It is a super-2 number, since 2×265163113203751² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265163113203451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2705746053051 + ... + 2705746053148.

It is an arithmetic number, because the mean of its divisors is an integer number (51409175008900).

Almost surely, 2^{265163113203751} is an apocalyptic number.

265163113203751 is a deficient number, since it is larger than the sum of its proper divisors (43291936849649).

265163113203751 is an equidigital number, since it uses as much as digits as its factorization.

265163113203751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5411492106213 (or 5411492106206 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 46.

The spelling of 265163113203751 in words is "two hundred sixty-five trillion, one hundred sixty-three billion, one hundred thirteen million, two hundred three thousand, seven hundred fifty-one".