513366630152878 has 8 divisors (see below), whose sum is σ = 771001799304960. Its totient is φ = 256366030384560.

The previous prime is 513366630152867. The next prime is 513366630152879. The reversal of 513366630152878 is 878251036663315.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513366630152879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158642343918 + ... + 158642347153.

It is an arithmetic number, because the mean of its divisors is an integer number (96375224913120).

Almost surely, 2^{513366630152878} is an apocalyptic number.

513366630152878 is a deficient number, since it is larger than the sum of its proper divisors (257635169152082).

513366630152878 is a wasteful number, since it uses less digits than its factorization.

513366630152878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317284691882.

The product of its (nonzero) digits is 130636800, while the sum is 64.

The spelling of 513366630152878 in words is "five hundred thirteen trillion, three hundred sixty-six billion, six hundred thirty million, one hundred fifty-two thousand, eight hundred seventy-eight".