152802855221 has 2 divisors, whose sum is σ = 152802855222. Its totient is φ = 152802855220.

The previous prime is 152802855211. The next prime is 152802855341. The reversal of 152802855221 is 122558208251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135045960196 + 17756895025 = 367486^2 + 133255^2 .

It is a cyclic number.

It is not a de Polignac number, because 152802855221 - 2¹⁸ = 152802593077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152802855211) 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, 76401427610 + 76401427611.

It is an arithmetic number, because the mean of its divisors is an integer number (76401427611).

Almost surely, 2^152802855221 is an apocalyptic number.

It is an amenable number.

152802855221 is a deficient number, since it is larger than the sum of its proper divisors (1).

152802855221 is an equidigital number, since it uses as much as digits as its factorization.

152802855221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128000, while the sum is 41.

The spelling of 152802855221 in words is "one hundred fifty-two billion, eight hundred two million, eight hundred fifty-five thousand, two hundred twenty-one".