42143511503 has 8 divisors (see below), whose sum is σ = 43525025280. Its totient is φ = 40763375640.

The previous prime is 42143511493. The next prime is 42143511559. The reversal of 42143511503 is 30511534124.

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 42143511503 - 2¹⁸ = 42143249359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42143517503) 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, 282125 + ... + 404822.

It is an arithmetic number, because the mean of its divisors is an integer number (5440628160).

Almost surely, 2^42143511503 is an apocalyptic number.

42143511503 is a deficient number, since it is larger than the sum of its proper divisors (1381513777).

42143511503 is a wasteful number, since it uses less digits than its factorization.

42143511503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688957.

The product of its (nonzero) digits is 7200, while the sum is 29.

The spelling of 42143511503 in words is "forty-two billion, one hundred forty-three million, five hundred eleven thousand, five hundred three".