503503013145 has 16 divisors (see below), whose sum is σ = 878841623232. Its totient is φ = 244122672960.

The previous prime is 503503013141. The next prime is 503503013147. The reversal of 503503013145 is 541310305305.

It is not a de Polignac number, because 503503013145 - 2² = 503503013141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (503503013141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1525766542 + ... + 1525766871.

It is an arithmetic number, because the mean of its divisors is an integer number (54927601452).

Almost surely, 2^503503013145 is an apocalyptic number.

503503013145 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

503503013145 is a deficient number, since it is larger than the sum of its proper divisors (375338610087).

503503013145 is a wasteful number, since it uses less digits than its factorization.

503503013145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3051533432.

The product of its (nonzero) digits is 13500, while the sum is 30.

The spelling of 503503013145 in words is "five hundred three billion, five hundred three million, thirteen thousand, one hundred forty-five".