531355206152 has 16 divisors (see below), whose sum is σ = 997012459500. Its totient is φ = 265485216960.

The previous prime is 531355206143. The next prime is 531355206163. The reversal of 531355206152 is 251602553135.

It can be written as a sum of positive squares in 2 ways, for example, as 512074772836 + 19280433316 = 715594^2 + 138854^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24036527 + ... + 24058622.

Almost surely, 2^531355206152 is an apocalyptic number.

It is an amenable number.

531355206152 is a deficient number, since it is larger than the sum of its proper divisors (465657253348).

531355206152 is a wasteful number, since it uses less digits than its factorization.

531355206152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48096536 (or 48096532 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 38.

Adding to 531355206152 its reverse (251602553135), we get a palindrome (782957759287).

The spelling of 531355206152 in words is "five hundred thirty-one billion, three hundred fifty-five million, two hundred six thousand, one hundred fifty-two".