153002042055221 has 2 divisors, whose sum is σ = 153002042055222. Its totient is φ = 153002042055220.

The previous prime is 153002042055167. The next prime is 153002042055271. The reversal of 153002042055221 is 122550240200351.

153002042055221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 141913874643121 + 11088167412100 = 11912761^2 + 3329890^2 .

It is an emirp because it is prime and its reverse (122550240200351) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-153002042055221 is a prime.

It is a super-2 number, since 2×153002042055221² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (153002042055271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76501021027610 + 76501021027611.

It is an arithmetic number, because the mean of its divisors is an integer number (76501021027611).

Almost surely, 2^{153002042055221} is an apocalyptic number.

It is an amenable number.

153002042055221 is a deficient number, since it is larger than the sum of its proper divisors (1).

153002042055221 is an equidigital number, since it uses as much as digits as its factorization.

153002042055221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 153002042055221 its reverse (122550240200351), we get a palindrome (275552282255572).

The spelling of 153002042055221 in words is "one hundred fifty-three trillion, two billion, forty-two million, fifty-five thousand, two hundred twenty-one".