513060115650640 has 80 divisors (see below), whose sum is σ = 1202308242204672. Its totient is φ = 203599499346432.

The previous prime is 513060115650617. The next prime is 513060115650679. The reversal of 513060115650640 is 46056511060315.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

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, 241941027 + ... + 244052413.

Almost surely, 2^{513060115650640} is an apocalyptic number.

It is an amenable number.

513060115650640 is an abundant number, since it is smaller than the sum of its proper divisors (689248126554032).

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

513060115650640 is a wasteful number, since it uses less digits than its factorization.

513060115650640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2135444 (or 2135438 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 43.

The spelling of 513060115650640 in words is "five hundred thirteen trillion, sixty billion, one hundred fifteen million, six hundred fifty thousand, six hundred forty".