511375222230 has 16 divisors (see below), whose sum is σ = 1227300533424. Its totient is φ = 136366725920.

The previous prime is 511375222151. The next prime is 511375222273. The reversal of 511375222230 is 32222573115.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 511375222191 and 511375222200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8522920341 + ... + 8522920400.

It is an arithmetic number, because the mean of its divisors is an integer number (76706283339).

Almost surely, 2^511375222230 is an apocalyptic number.

511375222230 is an abundant number, since it is smaller than the sum of its proper divisors (715925311194).

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

511375222230 is a wasteful number, since it uses less digits than its factorization.

511375222230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17045840751.

The product of its (nonzero) digits is 25200, while the sum is 33.

Adding to 511375222230 its reverse (32222573115), we get a palindrome (543597795345).

The spelling of 511375222230 in words is "five hundred eleven billion, three hundred seventy-five million, two hundred twenty-two thousand, two hundred thirty".