503420155515142 has 16 divisors (see below), whose sum is σ = 757810815132672. Its totient is φ = 250816579291080.

The previous prime is 503420155515083. The next prime is 503420155515149. The reversal of 503420155515142 is 241515551024305.

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, 27913003 + ... + 42260809.

It is an arithmetic number, because the mean of its divisors is an integer number (47363175945792).

Almost surely, 2^{503420155515142} is an apocalyptic number.

503420155515142 is a deficient number, since it is larger than the sum of its proper divisors (254390659617530).

503420155515142 is a wasteful number, since it uses less digits than its factorization.

503420155515142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14410083.

The product of its (nonzero) digits is 600000, while the sum is 43.

The spelling of 503420155515142 in words is "five hundred three trillion, four hundred twenty billion, one hundred fifty-five million, five hundred fifteen thousand, one hundred forty-two".