513444043122 has 32 divisors (see below), whose sum is σ = 1061243346240. Its totient is φ = 165496020480.

The previous prime is 513444043103. The next prime is 513444043157. The reversal of 513444043122 is 221340444315.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9207472 + ... + 9263067.

It is an arithmetic number, because the mean of its divisors is an integer number (33163854570).

Almost surely, 2^513444043122 is an apocalyptic number.

513444043122 is an abundant number, since it is smaller than the sum of its proper divisors (547799303118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

513444043122 is a wasteful number, since it uses less digits than its factorization.

513444043122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18470698.

The product of its (nonzero) digits is 46080, while the sum is 33.

Adding to 513444043122 its reverse (221340444315), we get a palindrome (734784487437).

The spelling of 513444043122 in words is "five hundred thirteen billion, four hundred forty-four million, forty-three thousand, one hundred twenty-two".