511340452112 has 40 divisors (see below), whose sum is σ = 1134699446016. Its totient is φ = 218672568576.

The previous prime is 511340452109. The next prime is 511340452157. The reversal of 511340452112 is 211254043115.

It is a happy number.

It is a super-2 number, since 2×511340452112² (a number of 24 digits) contains 22 as substring.

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, 4878533 + ... + 4982244.

Almost surely, 2^511340452112 is an apocalyptic number.

It is an amenable number.

511340452112 is an abundant number, since it is smaller than the sum of its proper divisors (623358993904).

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

511340452112 is a wasteful number, since it uses less digits than its factorization.

511340452112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9861255 (or 9861249 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 511340452112 its reverse (211254043115), we get a palindrome (722594495227).

The spelling of 511340452112 in words is "five hundred eleven billion, three hundred forty million, four hundred fifty-two thousand, one hundred twelve".