42203005515 has 24 divisors (see below), whose sum is σ = 79802047728. Its totient is φ = 20462063040.

The previous prime is 42203005513. The next prime is 42203005531. The reversal of 42203005515 is 51550030224.

It is a happy number.

It is not a de Polignac number, because 42203005515 - 2¹ = 42203005513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42203005511) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42628804 + ... + 42629793.

It is an arithmetic number, because the mean of its divisors is an integer number (3325085322).

Almost surely, 2^42203005515 is an apocalyptic number.

42203005515 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42203005515 is a deficient number, since it is larger than the sum of its proper divisors (37599042213).

42203005515 is a wasteful number, since it uses less digits than its factorization.

42203005515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85258619 (or 85258616 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

Adding to 42203005515 its reverse (51550030224), we get a palindrome (93753035739).

The spelling of 42203005515 in words is "forty-two billion, two hundred three million, five thousand, five hundred fifteen".