505225166312 has 32 divisors (see below), whose sum is σ = 971602014600. Its totient is φ = 246146534400.

The previous prime is 505225166309. The next prime is 505225166371. The reversal of 505225166312 is 213661522505.

It can be written as a sum of positive squares in 4 ways, for example, as 483711904036 + 21513262276 = 695494^2 + 146674^2 .

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, 686639 + ... + 1217342.

Almost surely, 2^505225166312 is an apocalyptic number.

It is an amenable number.

505225166312 is a deficient number, since it is larger than the sum of its proper divisors (466376848288).

505225166312 is a wasteful number, since it uses less digits than its factorization.

505225166312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1904837 (or 1904833 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 38.

Adding to 505225166312 its reverse (213661522505), we get a palindrome (718886688817).

The spelling of 505225166312 in words is "five hundred five billion, two hundred twenty-five million, one hundred sixty-six thousand, three hundred twelve".