513233044121044 has 18 divisors (see below), whose sum is σ = 972561434201070. Its totient is φ = 236876789594016.

The previous prime is 513233044121041. The next prime is 513233044121047. The reversal of 513233044121044 is 440121440332315.

It is an interprime number because it is at equal distance from previous prime (513233044121041) and next prime (513233044121047).

It can be written as a sum of positive squares in 3 ways, for example, as 26256810739600 + 486976233381444 = 5124140^2 + 22067538^2 .

It is a junction number, because it is equal to n+sod(n) for n = 513233044120994 and 513233044121012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513233044121041) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 379610239059 + ... + 379610240410.

Almost surely, 2^{513233044121044} is an apocalyptic number.

It is an amenable number.

513233044121044 is a deficient number, since it is larger than the sum of its proper divisors (459328390080026).

513233044121044 is a wasteful number, since it uses less digits than its factorization.

513233044121044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759220479499 (or 759220479484 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 37.

Adding to 513233044121044 its reverse (440121440332315), we get a palindrome (953354484453359).

The spelling of 513233044121044 in words is "five hundred thirteen trillion, two hundred thirty-three billion, forty-four million, one hundred twenty-one thousand, forty-four".