520061540311200 has 72 divisors (see below), whose sum is σ = 1692800313720768. Its totient is φ = 138683077415680.

The previous prime is 520061540311193. The next prime is 520061540311241. The reversal of 520061540311200 is 2113045160025.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108346151832 + ... + 108346156631.

It is an arithmetic number, because the mean of its divisors is an integer number (23511115468344).

Almost surely, 2^{520061540311200} is an apocalyptic number.

520061540311200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

520061540311200 is an abundant number, since it is smaller than the sum of its proper divisors (1172738773409568).

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

520061540311200 is a wasteful number, since it uses less digits than its factorization.

520061540311200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216692308486 (or 216692308473 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 520061540311200 its reverse (2113045160025), we get a palindrome (522174585471225).

The spelling of 520061540311200 in words is "five hundred twenty trillion, sixty-one billion, five hundred forty million, three hundred eleven thousand, two hundred".