42005125153 has 2 divisors, whose sum is σ = 42005125154. Its totient is φ = 42005125152.

The previous prime is 42005125133. The next prime is 42005125213. The reversal of 42005125153 is 35152150024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36537557904 + 5467567249 = 191148^2 + 73943^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42005125153 is a prime.

It is not a weakly prime, because it can be changed into another prime (42005125133) 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 as a sum of consecutive naturals, namely, 21002562576 + 21002562577.

It is an arithmetic number, because the mean of its divisors is an integer number (21002562577).

Almost surely, 2^42005125153 is an apocalyptic number.

It is an amenable number.

42005125153 is a deficient number, since it is larger than the sum of its proper divisors (1).

42005125153 is an equidigital number, since it uses as much as digits as its factorization.

42005125153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6000, while the sum is 28.

Adding to 42005125153 its reverse (35152150024), we get a palindrome (77157275177).

The spelling of 42005125153 in words is "forty-two billion, five million, one hundred twenty-five thousand, one hundred fifty-three".