42056633215 has 4 divisors (see below), whose sum is σ = 50467959864. Its totient is φ = 33645306568.

The previous prime is 42056633173. The next prime is 42056633219. The reversal of 42056633215 is 51233665024.

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 42056633215 - 2³³ = 33466698623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42056633219) 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, 4205663317 + ... + 4205663326.

It is an arithmetic number, because the mean of its divisors is an integer number (12616989966).

Almost surely, 2^42056633215 is an apocalyptic number.

42056633215 is a deficient number, since it is larger than the sum of its proper divisors (8411326649).

42056633215 is an equidigital number, since it uses as much as digits as its factorization.

42056633215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8411326648.

The product of its (nonzero) digits is 129600, while the sum is 37.

The spelling of 42056633215 in words is "forty-two billion, fifty-six million, six hundred thirty-three thousand, two hundred fifteen".