42156713530265 has 8 divisors (see below), whose sum is σ = 50589099773568. Its totient is φ = 33724675132720.

The previous prime is 42156713530159. The next prime is 42156713530313. The reversal of 42156713530265 is 56203531765124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42156713530265 - 2¹⁰ = 42156713529241 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86694737 + ... + 87179646.

It is an arithmetic number, because the mean of its divisors is an integer number (6323637471696).

Almost surely, 2^{42156713530265} is an apocalyptic number.

It is an amenable number.

42156713530265 is a deficient number, since it is larger than the sum of its proper divisors (8432386243303).

42156713530265 is a wasteful number, since it uses less digits than its factorization.

42156713530265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173922879.

The product of its (nonzero) digits is 4536000, while the sum is 50.

The spelling of 42156713530265 in words is "forty-two trillion, one hundred fifty-six billion, seven hundred thirteen million, five hundred thirty thousand, two hundred sixty-five".