42503054103 has 20 divisors (see below), whose sum is σ = 63499886208. Its totient is φ = 28331946720.

The previous prime is 42503054057. The next prime is 42503054107. The reversal of 42503054103 is 30145030524.

42503054103 is a `hidden beast` number, since 4 + 2 + 503 + 0 + 54 + 103 = 666.

It is not a de Polignac number, because 42503054103 - 2¹⁴ = 42503037719 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42503054107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 766275 + ... + 819867.

Almost surely, 2^42503054103 is an apocalyptic number.

42503054103 is a deficient number, since it is larger than the sum of its proper divisors (20996832105).

42503054103 is an equidigital number, since it uses as much as digits as its factorization.

42503054103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63396 (or 63387 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 42503054103 its reverse (30145030524), we get a palindrome (72648084627).

The spelling of 42503054103 in words is "forty-two billion, five hundred three million, fifty-four thousand, one hundred three".