531273070552 has 16 divisors (see below), whose sum is σ = 1138442294160. Its totient is φ = 227688458784.

The previous prime is 531273070501. The next prime is 531273070579. The reversal of 531273070552 is 255070372135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4743509503 + ... + 4743509614.

It is an arithmetic number, because the mean of its divisors is an integer number (71152643385).

Almost surely, 2^531273070552 is an apocalyptic number.

It is an amenable number.

531273070552 is an abundant number, since it is smaller than the sum of its proper divisors (607169223608).

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

531273070552 is a wasteful number, since it uses less digits than its factorization.

531273070552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9487019130 (or 9487019126 counting only the distinct ones).

The product of its (nonzero) digits is 220500, while the sum is 40.

The spelling of 531273070552 in words is "five hundred thirty-one billion, two hundred seventy-three million, seventy thousand, five hundred fifty-two".