42512271585755 has 4 divisors (see below), whose sum is σ = 51014725902912. Its totient is φ = 34009817268600.

The previous prime is 42512271585731. The next prime is 42512271585821. The reversal of 42512271585755 is 55758517221524.

42512271585755 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 42512271585755 - 2²⁴ = 42512254808539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42512271585694 and 42512271585703.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4251227158571 + ... + 4251227158580.

It is an arithmetic number, because the mean of its divisors is an integer number (12753681475728).

Almost surely, 2^{42512271585755} is an apocalyptic number.

42512271585755 is a deficient number, since it is larger than the sum of its proper divisors (8502454317157).

42512271585755 is an equidigital number, since it uses as much as digits as its factorization.

42512271585755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8502454317156.

The product of its digits is 39200000, while the sum is 59.

The spelling of 42512271585755 in words is "forty-two trillion, five hundred twelve billion, two hundred seventy-one million, five hundred eighty-five thousand, seven hundred fifty-five".