42633131155 has 4 divisors (see below), whose sum is σ = 51159757392. Its totient is φ = 34106504920.

The previous prime is 42633131111. The next prime is 42633131161. The reversal of 42633131155 is 55113133624.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 42633131155 - 2²⁹ = 42096260243 is a prime.

It is a super-4 number, since 4×42633131155⁴ (a number of 44 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42633131155.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4263313111 + ... + 4263313120.

It is an arithmetic number, because the mean of its divisors is an integer number (12789939348).

Almost surely, 2^42633131155 is an apocalyptic number.

42633131155 is a deficient number, since it is larger than the sum of its proper divisors (8526626237).

42633131155 is an equidigital number, since it uses as much as digits as its factorization.

42633131155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8526626236.

The product of its digits is 32400, while the sum is 34.

Adding to 42633131155 its reverse (55113133624), we get a palindrome (97746264779).

The spelling of 42633131155 in words is "forty-two billion, six hundred thirty-three million, one hundred thirty-one thousand, one hundred fifty-five".