503103150053 has 4 divisors (see below), whose sum is σ = 574975028640. Its totient is φ = 431231271468.

The previous prime is 503103150049. The next prime is 503103150119. The reversal of 503103150053 is 350051301305.

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, and also an emirpimes, since its reverse is a distinct semiprime: 350051301305 = 5 ⋅70010260261.

It is a cyclic number.

It is not a de Polignac number, because 503103150053 - 2² = 503103150049 is a prime.

It is a super-2 number, since 2×503103150053² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503103150853) 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, 35935939283 + ... + 35935939296.

It is an arithmetic number, because the mean of its divisors is an integer number (143743757160).

Almost surely, 2^503103150053 is an apocalyptic number.

It is an amenable number.

503103150053 is a deficient number, since it is larger than the sum of its proper divisors (71871878587).

503103150053 is an equidigital number, since it uses as much as digits as its factorization.

503103150053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71871878586.

The product of its (nonzero) digits is 3375, while the sum is 26.

Adding to 503103150053 its reverse (350051301305), we get a palindrome (853154451358).

The spelling of 503103150053 in words is "five hundred three billion, one hundred three million, one hundred fifty thousand, fifty-three".