511032160564 has 6 divisors (see below), whose sum is σ = 894306280994. Its totient is φ = 255516080280.

The previous prime is 511032160549. The next prime is 511032160567. The reversal of 511032160564 is 465061230115.

It can be written as a sum of positive squares in only one way, i.e., 499696299664 + 11335860900 = 706892^2 + 106470^2 .

It is a super-2 number, since 2×511032160564² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (511032160567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63879020067 + ... + 63879020074.

Almost surely, 2^511032160564 is an apocalyptic number.

It is an amenable number.

511032160564 is a deficient number, since it is larger than the sum of its proper divisors (383274120430).

511032160564 is a wasteful number, since it uses less digits than its factorization.

511032160564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127758040145 (or 127758040143 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

Adding to 511032160564 its reverse (465061230115), we get a palindrome (976093390679).

The spelling of 511032160564 in words is "five hundred eleven billion, thirty-two million, one hundred sixty thousand, five hundred sixty-four".