503432266561 has 6 divisors (see below), whose sum is σ = 585625289730. Its totient is φ = 431513371296.

The previous prime is 503432266559. The next prime is 503432266613. The reversal of 503432266561 is 165662234305.

It can be written as a sum of positive squares in only one way, i.e., 470836130625 + 32596135936 = 686175^2 + 180544^2 .

It is not a de Polignac number, because 503432266561 - 2¹ = 503432266559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (503432266511) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5137063896 + ... + 5137063993.

It is an arithmetic number, because the mean of its divisors is an integer number (97604214955).

Almost surely, 2^503432266561 is an apocalyptic number.

It is an amenable number.

503432266561 is a deficient number, since it is larger than the sum of its proper divisors (82193023169).

503432266561 is a wasteful number, since it uses less digits than its factorization.

503432266561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10274127903 (or 10274127896 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 43.

The spelling of 503432266561 in words is "five hundred three billion, four hundred thirty-two million, two hundred sixty-six thousand, five hundred sixty-one".