265243455545064 has 64 divisors (see below), whose sum is σ = 673240983661440. Its totient is φ = 87067284848640.

The previous prime is 265243455544987. The next prime is 265243455545093. The reversal of 265243455545064 is 460545554342562.

It is a junction number, because it is equal to n+sod(n) for n = 265243455544989 and 265243455545007.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116969532 + ... + 119215595.

It is an arithmetic number, because the mean of its divisors is an integer number (10519390369710).

Almost surely, 2^{265243455545064} is an apocalyptic number.

265243455545064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

265243455545064 is an abundant number, since it is smaller than the sum of its proper divisors (407997528116376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

265243455545064 is a wasteful number, since it uses less digits than its factorization.

265243455545064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236185850 (or 236185846 counting only the distinct ones).

The product of its (nonzero) digits is 345600000, while the sum is 60.

The spelling of 265243455545064 in words is "two hundred sixty-five trillion, two hundred forty-three billion, four hundred fifty-five million, five hundred forty-five thousand, sixty-four".