42043511425 has 12 divisors (see below), whose sum is σ = 52178134716. Its totient is φ = 33606305600.

The previous prime is 42043511423. The next prime is 42043511437. The reversal of 42043511425 is 52411534024.

It can be written as a sum of positive squares in 6 ways, for example, as 2804655681 + 39238855744 = 52959^2 + 198088^2 .

It is not a de Polignac number, because 42043511425 - 2¹ = 42043511423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42043511423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 682474 + ... + 741523.

It is an arithmetic number, because the mean of its divisors is an integer number (4348177893).

Almost surely, 2^42043511425 is an apocalyptic number.

It is an amenable number.

42043511425 is a deficient number, since it is larger than the sum of its proper divisors (10134623291).

42043511425 is a wasteful number, since it uses less digits than its factorization.

42043511425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425188 (or 1425183 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

The spelling of 42043511425 in words is "forty-two billion, forty-three million, five hundred eleven thousand, four hundred twenty-five".