42403115503 has 8 divisors (see below), whose sum is σ = 48473976960. Its totient is φ = 36335572440.

The previous prime is 42403115483. The next prime is 42403115533. The reversal of 42403115503 is 30551130424.

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 42403115503 - 2²⁵ = 42369561071 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 (42403115533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 802153 + ... + 853378.

It is an arithmetic number, because the mean of its divisors is an integer number (6059247120).

Almost surely, 2^42403115503 is an apocalyptic number.

42403115503 is a deficient number, since it is larger than the sum of its proper divisors (6070861457).

42403115503 is a wasteful number, since it uses less digits than its factorization.

42403115503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1659197.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 42403115503 its reverse (30551130424), we get a palindrome (72954245927).

The spelling of 42403115503 in words is "forty-two billion, four hundred three million, one hundred fifteen thousand, five hundred three".