42635165055 has 32 divisors (see below), whose sum is σ = 80476336128. Its totient is φ = 18861638400.

The previous prime is 42635165051. The next prime is 42635165071. The reversal of 42635165055 is 55056153624.

It is not a de Polignac number, because 42635165055 - 2² = 42635165051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42635164998 and 42635165016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42635165051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6545926 + ... + 6552435.

It is an arithmetic number, because the mean of its divisors is an integer number (2514885504).

Almost surely, 2^42635165055 is an apocalyptic number.

42635165055 is a deficient number, since it is larger than the sum of its proper divisors (37841171073).

42635165055 is a wasteful number, since it uses less digits than its factorization.

42635165055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13098407.

The product of its (nonzero) digits is 540000, while the sum is 42.

It can be divided in two parts, 42635 and 165055, that added together give a triangular number (207690 = T₆₄₄).

The spelling of 42635165055 in words is "forty-two billion, six hundred thirty-five million, one hundred sixty-five thousand, fifty-five".