503420155515143 has 8 divisors (see below), whose sum is σ = 504701076341376. Its totient is φ = 502139885735800.

The previous prime is 503420155515083. The next prime is 503420155515149. The reversal of 503420155515143 is 341515551024305.

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 503420155515143 - 2¹⁴ = 503420155498759 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 503420155515094 and 503420155515103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503420155515149) 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, 161213243 + ... + 164306268.

It is an arithmetic number, because the mean of its divisors is an integer number (63087634542672).

Almost surely, 2^{503420155515143} is an apocalyptic number.

503420155515143 is a deficient number, since it is larger than the sum of its proper divisors (1280920826233).

503420155515143 is a wasteful number, since it uses less digits than its factorization.

503420155515143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325523445.

The product of its (nonzero) digits is 900000, while the sum is 44.

The spelling of 503420155515143 in words is "five hundred three trillion, four hundred twenty billion, one hundred fifty-five million, five hundred fifteen thousand, one hundred forty-three".