42543229755 has 32 divisors (see below), whose sum is σ = 73328209920. Its totient is φ = 20937801600.

The previous prime is 42543229753. The next prime is 42543229829. The reversal of 42543229755 is 55792234524.

It is not a de Polignac number, because 42543229755 - 2¹ = 42543229753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42543229753) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 622530 + ... + 687480.

It is an arithmetic number, because the mean of its divisors is an integer number (2291506560).

Almost surely, 2^42543229755 is an apocalyptic number.

42543229755 is a deficient number, since it is larger than the sum of its proper divisors (30784980165).

42543229755 is a wasteful number, since it uses less digits than its factorization.

42543229755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68331.

The product of its digits is 3024000, while the sum is 48.

The spelling of 42543229755 in words is "forty-two billion, five hundred forty-three million, two hundred twenty-nine thousand, seven hundred fifty-five".