511141126320204 has 72 divisors (see below), whose sum is σ = 1232966674502640. Its totient is φ = 164805296785920.

The previous prime is 511141126320131. The next prime is 511141126320229. The reversal of 511141126320204 is 402023621141115.

It is a super-2 number, since 2×511141126320204² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13481512 + ... + 34699184.

It is an arithmetic number, because the mean of its divisors is an integer number (17124537145870).

Almost surely, 2^{511141126320204} is an apocalyptic number.

It is an amenable number.

511141126320204 is an abundant number, since it is smaller than the sum of its proper divisors (721825548182436).

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

511141126320204 is a wasteful number, since it uses less digits than its factorization.

511141126320204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21219831 (or 21219798 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

Adding to 511141126320204 its reverse (402023621141115), we get a palindrome (913164747461319).

The spelling of 511141126320204 in words is "five hundred eleven trillion, one hundred forty-one billion, one hundred twenty-six million, three hundred twenty thousand, two hundred four".