513511245252232 has 16 divisors (see below), whose sum is σ = 971832029567760. Its totient is φ = 254356037367504.

The previous prime is 513511245252211. The next prime is 513511245252241. The reversal of 513511245252232 is 232252542115315.

It is a super-2 number, since 2×513511245252232² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 299948156418 + ... + 299948158129.

It is an arithmetic number, because the mean of its divisors is an integer number (60739501847985).

Almost surely, 2^{513511245252232} is an apocalyptic number.

It is an amenable number.

513511245252232 is a deficient number, since it is larger than the sum of its proper divisors (458320784315528).

513511245252232 is a wasteful number, since it uses less digits than its factorization.

513511245252232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599896314660 (or 599896314656 counting only the distinct ones).

The product of its digits is 720000, while the sum is 43.

Adding to 513511245252232 its reverse (232252542115315), we get a palindrome (745763787367547).

The spelling of 513511245252232 in words is "five hundred thirteen trillion, five hundred eleven billion, two hundred forty-five million, two hundred fifty-two thousand, two hundred thirty-two".