505454331112 has 8 divisors (see below), whose sum is σ = 947726870850. Its totient is φ = 252727165552.

The previous prime is 505454331073. The next prime is 505454331119. The reversal of 505454331112 is 211133454505.

It can be written as a sum of positive squares in only one way, i.e., 505341843876 + 112487236 = 710874^2 + 10606^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (505454331119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31590895687 + ... + 31590895702.

Almost surely, 2^505454331112 is an apocalyptic number.

It is an amenable number.

505454331112 is a deficient number, since it is larger than the sum of its proper divisors (442272539738).

505454331112 is a wasteful number, since it uses less digits than its factorization.

505454331112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63181791395 (or 63181791391 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

Adding to 505454331112 its reverse (211133454505), we get a palindrome (716587785617).

The spelling of 505454331112 in words is "five hundred five billion, four hundred fifty-four million, three hundred thirty-one thousand, one hundred twelve".