42015005603 has 4 divisors (see below), whose sum is σ = 42400464480. Its totient is φ = 41629546728.

The previous prime is 42015005597. The next prime is 42015005611. The reversal of 42015005603 is 30650051024.

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

It is a cyclic number.

It is not a de Polignac number, because 42015005603 - 2²⁸ = 41746570147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42015005663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192729275 + ... + 192729492.

It is an arithmetic number, because the mean of its divisors is an integer number (10600116120).

Almost surely, 2^42015005603 is an apocalyptic number.

42015005603 is a deficient number, since it is larger than the sum of its proper divisors (385458877).

42015005603 is a wasteful number, since it uses less digits than its factorization.

42015005603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385458876.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 42015005603 its reverse (30650051024), we get a palindrome (72665056627).

The spelling of 42015005603 in words is "forty-two billion, fifteen million, five thousand, six hundred three".