155165560060099 has 2 divisors, whose sum is σ = 155165560060100. Its totient is φ = 155165560060098.

The previous prime is 155165560060087. The next prime is 155165560060109. The reversal of 155165560060099 is 990060065561551.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 155165560060099 - 2¹⁷ = 155165559929027 is a prime.

It is not a weakly prime, because it can be changed into another prime (155165560069099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77582780030049 + 77582780030050.

It is an arithmetic number, because the mean of its divisors is an integer number (77582780030050).

Almost surely, 2^{155165560060099} is an apocalyptic number.

155165560060099 is a deficient number, since it is larger than the sum of its proper divisors (1).

155165560060099 is an equidigital number, since it uses as much as digits as its factorization.

155165560060099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10935000, while the sum is 58.

The spelling of 155165560060099 in words is "one hundred fifty-five trillion, one hundred sixty-five billion, five hundred sixty million, sixty thousand, ninety-nine".