155152403135201 has 2 divisors, whose sum is σ = 155152403135202. Its totient is φ = 155152403135200.

The previous prime is 155152403135153. The next prime is 155152403135231. The reversal of 155152403135201 is 102531304251551.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125861024688400 + 29291378446801 = 11218780^2 + 5412151^2 .

It is a cyclic number.

It is not a de Polignac number, because 155152403135201 - 2³⁰ = 155151329393377 is a prime.

It is not a weakly prime, because it can be changed into another prime (155152403135231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77576201567600 + 77576201567601.

It is an arithmetic number, because the mean of its divisors is an integer number (77576201567601).

Almost surely, 2^{155152403135201} is an apocalyptic number.

It is an amenable number.

155152403135201 is a deficient number, since it is larger than the sum of its proper divisors (1).

155152403135201 is an equidigital number, since it uses as much as digits as its factorization.

155152403135201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90000, while the sum is 38.

Adding to 155152403135201 its reverse (102531304251551), we get a palindrome (257683707386752).

The spelling of 155152403135201 in words is "one hundred fifty-five trillion, one hundred fifty-two billion, four hundred three million, one hundred thirty-five thousand, two hundred one".