42555541503 has 4 divisors (see below), whose sum is σ = 56740722008. Its totient is φ = 28370361000.

The previous prime is 42555541481. The next prime is 42555541507. The reversal of 42555541503 is 30514555524.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 42555541503 - 2⁹ = 42555540991 is a prime.

It is a super-2 number, since 2×42555541503² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42555541507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7092590248 + ... + 7092590253.

It is an arithmetic number, because the mean of its divisors is an integer number (14185180502).

Almost surely, 2^42555541503 is an apocalyptic number.

42555541503 is a deficient number, since it is larger than the sum of its proper divisors (14185180505).

42555541503 is a wasteful number, since it uses less digits than its factorization.

42555541503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14185180504.

The product of its (nonzero) digits is 300000, while the sum is 39.

The spelling of 42555541503 in words is "forty-two billion, five hundred fifty-five million, five hundred forty-one thousand, five hundred three".