511535355420052 has 12 divisors (see below), whose sum is σ = 895822206893460. Its totient is φ = 255586153450496.

The previous prime is 511535355420049. The next prime is 511535355420091. The reversal of 511535355420052 is 250024553535115.

It can be written as a sum of positive squares in 2 ways, for example, as 2655478830096 + 508879876589956 = 1629564^2 + 22558366^2 .

It is a junction number, because it is equal to n+sod(n) for n = 511535355419984 and 511535355420011.

It is a congruent number.

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, 45381058543 + ... + 45381069814.

It is an arithmetic number, because the mean of its divisors is an integer number (74651850574455).

Almost surely, 2^{511535355420052} is an apocalyptic number.

It is an amenable number.

511535355420052 is a deficient number, since it is larger than the sum of its proper divisors (384286851473408).

511535355420052 is a wasteful number, since it uses less digits than its factorization.

511535355420052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90762129770 (or 90762129768 counting only the distinct ones).

The product of its (nonzero) digits is 2250000, while the sum is 46.

The spelling of 511535355420052 in words is "five hundred eleven trillion, five hundred thirty-five billion, three hundred fifty-five million, four hundred twenty thousand, fifty-two".