42205133550425 has 6 divisors (see below), whose sum is σ = 52334365602558. Its totient is φ = 33764106840320.

The previous prime is 42205133550421. The next prime is 42205133550451. The reversal of 42205133550425 is 52405533150224.

It can be written as a sum of positive squares in 3 ways, for example, as 88585744 + 42205044964681 = 9412^2 + 6496541^2 .

It is not a de Polignac number, because 42205133550425 - 2² = 42205133550421 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42205133550421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 844102670984 + ... + 844102671033.

It is an arithmetic number, because the mean of its divisors is an integer number (8722394267093).

Almost surely, 2^{42205133550425} is an apocalyptic number.

It is an amenable number.

42205133550425 is a deficient number, since it is larger than the sum of its proper divisors (10129232052133).

42205133550425 is a wasteful number, since it uses less digits than its factorization.

42205133550425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1688205342027 (or 1688205342022 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 41.

The spelling of 42205133550425 in words is "forty-two trillion, two hundred five billion, one hundred thirty-three million, five hundred fifty thousand, four hundred twenty-five".