5166001171252 has 6 divisors (see below), whose sum is σ = 9040502049698. Its totient is φ = 2583000585624.

The previous prime is 5166001171237. The next prime is 5166001171259. The reversal of 5166001171252 is 2521711006615.

It can be written as a sum of positive squares in only one way, i.e., 4228427266596 + 937573904656 = 2056314^2 + 968284^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5166001171259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 645750146403 + ... + 645750146410.

Almost surely, 2^{5166001171252} is an apocalyptic number.

It is an amenable number.

5166001171252 is a deficient number, since it is larger than the sum of its proper divisors (3874500878446).

5166001171252 is a wasteful number, since it uses less digits than its factorization.

5166001171252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291500292817 (or 1291500292815 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 37.

Adding to 5166001171252 its reverse (2521711006615), we get a palindrome (7687712177867).

The spelling of 5166001171252 in words is "five trillion, one hundred sixty-six billion, one million, one hundred seventy-one thousand, two hundred fifty-two".