503425046561 has 16 divisors (see below), whose sum is σ = 550451243520. Its totient is φ = 458345744640.

The previous prime is 503425046507. The next prime is 503425046567. The reversal of 503425046561 is 165640524305.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 503425046561 - 2¹⁰ = 503425045537 is a prime.

It is a super-3 number, since 3×503425046561³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (503425046567) 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, 1149935 + ... + 1526171.

It is an arithmetic number, because the mean of its divisors is an integer number (34403202720).

Almost surely, 2^503425046561 is an apocalyptic number.

It is an amenable number.

503425046561 is a deficient number, since it is larger than the sum of its proper divisors (47026196959).

503425046561 is a wasteful number, since it uses less digits than its factorization.

503425046561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378824.

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 503425046561 in words is "five hundred three billion, four hundred twenty-five million, forty-six thousand, five hundred sixty-one".