520255124345 has 32 divisors (see below), whose sum is σ = 711252990720. Its totient is φ = 361621047040.

The previous prime is 520255124341. The next prime is 520255124443. The reversal of 520255124345 is 543421552025.

It is not a de Polignac number, because 520255124345 - 2² = 520255124341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 520255124299 and 520255124308.

It is not an unprimeable number, because it can be changed into a prime (520255124341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1387367 + ... + 1722003.

It is an arithmetic number, because the mean of its divisors is an integer number (22226655960).

Almost surely, 2^520255124345 is an apocalyptic number.

520255124345 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

520255124345 is a deficient number, since it is larger than the sum of its proper divisors (190997866375).

520255124345 is a wasteful number, since it uses less digits than its factorization.

520255124345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335905.

The product of its (nonzero) digits is 240000, while the sum is 38.

The spelling of 520255124345 in words is "five hundred twenty billion, two hundred fifty-five million, one hundred twenty-four thousand, three hundred forty-five".