503261366025373 has 8 divisors (see below), whose sum is σ = 511825044612960. Its totient is φ = 494698814935440.

The previous prime is 503261366025323. The next prime is 503261366025427. The reversal of 503261366025373 is 373520663162305.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-503261366025373 is a prime.

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 503261366025373.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503261366025323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280974090 + ... + 282759547.

It is an arithmetic number, because the mean of its divisors is an integer number (63978130576620).

Almost surely, 2^{503261366025373} is an apocalyptic number.

It is an amenable number.

503261366025373 is a deficient number, since it is larger than the sum of its proper divisors (8563678587587).

503261366025373 is a wasteful number, since it uses less digits than its factorization.

503261366025373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563748827.

The product of its (nonzero) digits is 12247200, while the sum is 52.

The spelling of 503261366025373 in words is "five hundred three trillion, two hundred sixty-one billion, three hundred sixty-six million, twenty-five thousand, three hundred seventy-three".