155440502150033 has 2 divisors, whose sum is σ = 155440502150034. Its totient is φ = 155440502150032.

The previous prime is 155440502149981. The next prime is 155440502150041. The reversal of 155440502150033 is 330051205044551.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90701871205009 + 64738630945024 = 9523753^2 + 8046032^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-155440502150033 is a prime.

It is not a weakly prime, because it can be changed into another prime (155440502150533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77720251075016 + 77720251075017.

It is an arithmetic number, because the mean of its divisors is an integer number (77720251075017).

Almost surely, 2^{155440502150033} is an apocalyptic number.

It is an amenable number.

155440502150033 is a deficient number, since it is larger than the sum of its proper divisors (1).

155440502150033 is an equidigital number, since it uses as much as digits as its factorization.

155440502150033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180000, while the sum is 38.

Adding to 155440502150033 its reverse (330051205044551), we get a palindrome (485491707194584).

The spelling of 155440502150033 in words is "one hundred fifty-five trillion, four hundred forty billion, five hundred two million, one hundred fifty thousand, thirty-three".