513503806138076 has 24 divisors (see below), whose sum is σ = 967858499262144. Its totient is φ = 236976942110400.

The previous prime is 513503806138031. The next prime is 513503806138091. The reversal of 513503806138076 is 670831608305315.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 516468755 + ... + 517462058.

It is an arithmetic number, because the mean of its divisors is an integer number (40327437469256).

Almost surely, 2^{513503806138076} is an apocalyptic number.

It is an amenable number.

513503806138076 is a deficient number, since it is larger than the sum of its proper divisors (454354693124068).

513503806138076 is a wasteful number, since it uses less digits than its factorization.

513503806138076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033940381 (or 1033940379 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 56.

The spelling of 513503806138076 in words is "five hundred thirteen trillion, five hundred three billion, eight hundred six million, one hundred thirty-eight thousand, seventy-six".