503156322366157 has 8 divisors (see below), whose sum is σ = 532845591459192. Its totient is φ = 473477257536000.

The previous prime is 503156322366149. The next prime is 503156322366193. The reversal of 503156322366157 is 751663223651305.

It can be written as a sum of positive squares in 4 ways, for example, as 266807853736516 + 236348468629641 = 16334254^2 + 15373629^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 503156322366157 - 2³ = 503156322366149 is a prime.

It is a super-2 number, since 2×503156322366157² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 503156322366098 and 503156322366107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503156322366127) 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, 2550964194 + ... + 2551161427.

It is an arithmetic number, because the mean of its divisors is an integer number (66605698932399).

Almost surely, 2^{503156322366157} is an apocalyptic number.

It is an amenable number.

503156322366157 is a deficient number, since it is larger than the sum of its proper divisors (29689269093035).

503156322366157 is a wasteful number, since it uses less digits than its factorization.

503156322366157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5102131439.

The product of its (nonzero) digits is 20412000, while the sum is 55.

The spelling of 503156322366157 in words is "five hundred three trillion, one hundred fifty-six billion, three hundred twenty-two million, three hundred sixty-six thousand, one hundred fifty-seven".