513640531150 has 24 divisors (see below), whose sum is σ = 955397292624. Its totient is φ = 205450641600.

The previous prime is 513640531139. The next prime is 513640531193. The reversal of 513640531150 is 51135046315.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2070255 + ... + 2305045.

It is an arithmetic number, because the mean of its divisors is an integer number (39808220526).

Almost surely, 2^513640531150 is an apocalyptic number.

513640531150 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

513640531150 is a deficient number, since it is larger than the sum of its proper divisors (441756761474).

513640531150 is a wasteful number, since it uses less digits than its factorization.

513640531150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278556 (or 278551 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 34.

Adding to 513640531150 its reverse (51135046315), we get a palindrome (564775577465).

The spelling of 513640531150 in words is "five hundred thirteen billion, six hundred forty million, five hundred thirty-one thousand, one hundred fifty".