155252211599 has 2 divisors, whose sum is σ = 155252211600. Its totient is φ = 155252211598.

The previous prime is 155252211577. The next prime is 155252211613. The reversal of 155252211599 is 995112252551.

155252211599 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 is a cyclic number.

It is not a de Polignac number, because 155252211599 - 2⁸ = 155252211343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155252211539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77626105799 + 77626105800.

It is an arithmetic number, because the mean of its divisors is an integer number (77626105800).

Almost surely, 2^155252211599 is an apocalyptic number.

155252211599 is a deficient number, since it is larger than the sum of its proper divisors (1).

155252211599 is an equidigital number, since it uses as much as digits as its factorization.

155252211599 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 405000, while the sum is 47.

The spelling of 155252211599 in words is "one hundred fifty-five billion, two hundred fifty-two million, two hundred eleven thousand, five hundred ninety-nine".