503257715243231 has 8 divisors (see below), whose sum is σ = 542305848352800. Its totient is φ = 464257582300512.

The previous prime is 503257715243209. The next prime is 503257715243237. The reversal of 503257715243231 is 132342517752305.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-503257715243231 is a prime.

It is a super-2 number, since 2×503257715243231² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 503257715243231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503257715243237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12000019931 + ... + 12000061868.

It is an arithmetic number, because the mean of its divisors is an integer number (67788231044100).

Almost surely, 2^{503257715243231} is an apocalyptic number.

503257715243231 is a deficient number, since it is larger than the sum of its proper divisors (39048133109569).

503257715243231 is a wasteful number, since it uses less digits than its factorization.

503257715243231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24000083425.

The product of its (nonzero) digits is 5292000, while the sum is 50.

The spelling of 503257715243231 in words is "five hundred three trillion, two hundred fifty-seven billion, seven hundred fifteen million, two hundred forty-three thousand, two hundred thirty-one".