42853580805127 has 4 divisors (see below), whose sum is σ = 43579912683240. Its totient is φ = 42127248927016.

The previous prime is 42853580805109. The next prime is 42853580805131. The reversal of 42853580805127 is 72150808535824.

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 42853580805127 - 2¹⁹ = 42853580280839 is a prime.

It is a super-2 number, since 2×42853580805127² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42853580805527) 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, 363165938968 + ... + 363165939085.

It is an arithmetic number, because the mean of its divisors is an integer number (10894978170810).

Almost surely, 2^{42853580805127} is an apocalyptic number.

42853580805127 is a deficient number, since it is larger than the sum of its proper divisors (726331878113).

42853580805127 is an equidigital number, since it uses as much as digits as its factorization.

42853580805127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726331878112.

The product of its (nonzero) digits is 21504000, while the sum is 58.

The spelling of 42853580805127 in words is "forty-two trillion, eight hundred fifty-three billion, five hundred eighty million, eight hundred five thousand, one hundred twenty-seven".