513000255206403 has 8 divisors (see below), whose sum is σ = 760000378083600. Its totient is φ = 342000170137584.

The previous prime is 513000255206333. The next prime is 513000255206419. The reversal of 513000255206403 is 304602552000315.

513000255206403 is a `hidden beast` number, since 5 + 1 + 3 + 0 + 0 + 0 + 2 + 5 + 5 + 2 + 0 + 640 + 3 = 666.

It is not a de Polignac number, because 513000255206403 - 2⁸ = 513000255206147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (513000255206903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9500004726018 + ... + 9500004726071.

It is an arithmetic number, because the mean of its divisors is an integer number (95000047260450).

Almost surely, 2^{513000255206403} is an apocalyptic number.

513000255206403 is a deficient number, since it is larger than the sum of its proper divisors (247000122877197).

513000255206403 is a wasteful number, since it uses less digits than its factorization.

513000255206403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19000009452098 (or 19000009452092 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The spelling of 513000255206403 in words is "five hundred thirteen trillion, two hundred fifty-five million, two hundred six thousand, four hundred three".