513421244055320 has 16 divisors (see below), whose sum is σ = 1155197799124560. Its totient is φ = 205368497622112.

The previous prime is 513421244055311. The next prime is 513421244055331. The reversal of 513421244055320 is 23550442124315.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6417765550652 + ... + 6417765550731.

It is an arithmetic number, because the mean of its divisors is an integer number (72199862445285).

Almost surely, 2^{513421244055320} is an apocalyptic number.

It is an amenable number.

513421244055320 is an abundant number, since it is smaller than the sum of its proper divisors (641776555069240).

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

513421244055320 is a wasteful number, since it uses less digits than its factorization.

513421244055320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12835531101394 (or 12835531101390 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 41.

Adding to 513421244055320 its reverse (23550442124315), we get a palindrome (536971686179635).

The spelling of 513421244055320 in words is "five hundred thirteen trillion, four hundred twenty-one billion, two hundred forty-four million, fifty-five thousand, three hundred twenty".