465321555555255 has 48 divisors (see below), whose sum is σ = 944262278616384. Its totient is φ = 207530171112960.

The previous prime is 465321555555191. The next prime is 465321555555281. The reversal of 465321555555255 is 552555555123564.

465321555555255 is a `hidden beast` number, since 4 + 6 + 5 + 3 + 2 + 1 + 5 + 55 + 55 + 525 + 5 = 666.

It is not a de Polignac number, because 465321555555255 - 2⁶ = 465321555555191 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 465321555555192 and 465321555555201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18014758884 + ... + 18014784713.

It is an arithmetic number, because the mean of its divisors is an integer number (19672130804508).

Almost surely, 2^{465321555555255} is an apocalyptic number.

465321555555255 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

465321555555255 is an abundant number, since it is smaller than the sum of its proper divisors (478940723061129).

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

465321555555255 is a wasteful number, since it uses less digits than its factorization.

465321555555255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36029543656 (or 36029543653 counting only the distinct ones).

The product of its digits is 562500000, while the sum is 63.

The spelling of 465321555555255 in words is "four hundred sixty-five trillion, three hundred twenty-one billion, five hundred fifty-five million, five hundred fifty-five thousand, two hundred fifty-five".