531401041256 has 16 divisors (see below), whose sum is σ = 1002723304740. Its totient is φ = 264008160000.

The previous prime is 531401041247. The next prime is 531401041271. The reversal of 531401041256 is 652140104135.

It can be written as a sum of positive squares in 2 ways, for example, as 514757461156 + 16643580100 = 717466^2 + 129010^2 .

It is a super-2 number, since 2×531401041256² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211543745 + ... + 211546256.

Almost surely, 2^531401041256 is an apocalyptic number.

It is an amenable number.

531401041256 is a deficient number, since it is larger than the sum of its proper divisors (471322263484).

531401041256 is a wasteful number, since it uses less digits than its factorization.

531401041256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423090164 (or 423090160 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 531401041256 in words is "five hundred thirty-one billion, four hundred one million, forty-one thousand, two hundred fifty-six".