531203253555045 has 64 divisors (see below), whose sum is σ = 866543555464704. Its totient is φ = 277776189250560.

The previous prime is 531203253555041. The next prime is 531203253555047. The reversal of 531203253555045 is 540555352302135.

It is not a de Polignac number, because 531203253555045 - 2² = 531203253555041 is a prime.

It is a super-3 number, since 3×531203253555045³ (a number of 45 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 531203253554985 and 531203253555003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531203253555041) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9804207855 + ... + 9804262035.

It is an arithmetic number, because the mean of its divisors is an integer number (13539743054136).

Almost surely, 2^{531203253555045} is an apocalyptic number.

It is an amenable number.

531203253555045 is a deficient number, since it is larger than the sum of its proper divisors (335340301909659).

531203253555045 is a wasteful number, since it uses less digits than its factorization.

531203253555045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62302.

The product of its (nonzero) digits is 6750000, while the sum is 48.

The spelling of 531203253555045 in words is "five hundred thirty-one trillion, two hundred three billion, two hundred fifty-three million, five hundred fifty-five thousand, forty-five".