42155035305 has 16 divisors (see below), whose sum is σ = 67478478144. Its totient is φ = 22472544960.

The previous prime is 42155035289. The next prime is 42155035331. The reversal of 42155035305 is 50353055124.

It is a happy number.

It is not a de Polignac number, because 42155035305 - 2⁴ = 42155035289 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 599359 + ... + 665988.

It is an arithmetic number, because the mean of its divisors is an integer number (4217404884).

Almost surely, 2^42155035305 is an apocalyptic number.

It is an amenable number.

42155035305 is a deficient number, since it is larger than the sum of its proper divisors (25323442839).

42155035305 is a wasteful number, since it uses less digits than its factorization.

42155035305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1267576.

The product of its (nonzero) digits is 45000, while the sum is 33.

The spelling of 42155035305 in words is "forty-two billion, one hundred fifty-five million, thirty-five thousand, three hundred five".