42004115535 has 32 divisors (see below), whose sum is σ = 68080803840. Its totient is φ = 22110985728.

The previous prime is 42004115521. The next prime is 42004115551. The reversal of 42004115535 is 53551140024.

It is not a de Polignac number, because 42004115535 - 2¹⁹ = 42003591247 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5569287 + ... + 5576823.

It is an arithmetic number, because the mean of its divisors is an integer number (2127525120).

Almost surely, 2^42004115535 is an apocalyptic number.

42004115535 is a deficient number, since it is larger than the sum of its proper divisors (26076688305).

42004115535 is a wasteful number, since it uses less digits than its factorization.

42004115535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12327.

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 42004115535 its reverse (53551140024), we get a palindrome (95555255559).

The spelling of 42004115535 in words is "forty-two billion, four million, one hundred fifteen thousand, five hundred thirty-five".