531250312120004 has 48 divisors (see below), whose sum is σ = 945817754747712. Its totient is φ = 261024951600000.

The previous prime is 531250312119893. The next prime is 531250312120009. The reversal of 531250312120004 is 400021213052135.

It is not an unprimeable number, because it can be changed into a prime (531250312120009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1423424339 + ... + 1423797509.

It is an arithmetic number, because the mean of its divisors is an integer number (19704536557244).

Almost surely, 2^{531250312120004} is an apocalyptic number.

It is an amenable number.

531250312120004 is a deficient number, since it is larger than the sum of its proper divisors (414567442627708).

531250312120004 is a wasteful number, since it uses less digits than its factorization.

531250312120004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378708 (or 378706 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 531250312120004 its reverse (400021213052135), we get a palindrome (931271525172139).

The spelling of 531250312120004 in words is "five hundred thirty-one trillion, two hundred fifty billion, three hundred twelve million, one hundred twenty thousand, four".