503040663041 has 4 divisors (see below), whose sum is σ = 574903614912. Its totient is φ = 431177711172.

The previous prime is 503040663007. The next prime is 503040663061. The reversal of 503040663041 is 140366040305.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-503040663041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 503040662989 and 503040663007.

It is not an unprimeable number, because it can be changed into a prime (503040663061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35931475925 + ... + 35931475938.

It is an arithmetic number, because the mean of its divisors is an integer number (143725903728).

Almost surely, 2^503040663041 is an apocalyptic number.

It is an amenable number.

503040663041 is a deficient number, since it is larger than the sum of its proper divisors (71862951871).

503040663041 is an equidigital number, since it uses as much as digits as its factorization.

503040663041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71862951870.

The product of its (nonzero) digits is 25920, while the sum is 32.

The spelling of 503040663041 in words is "five hundred three billion, forty million, six hundred sixty-three thousand, forty-one".