155504314205 has 16 divisors (see below), whose sum is σ = 189179742000. Its totient is φ = 122687405568.

The previous prime is 155504314187. The next prime is 155504314261. The reversal of 155504314205 is 502413405551.

155504314205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 9588718084 + 145915596121 = 97922^2 + 381989^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-155504314205 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 7484171 + ... + 7504919.

It is an arithmetic number, because the mean of its divisors is an integer number (11823733875).

Almost surely, 2^155504314205 is an apocalyptic number.

It is an amenable number.

155504314205 is a deficient number, since it is larger than the sum of its proper divisors (33675427795).

155504314205 is a wasteful number, since it uses less digits than its factorization.

155504314205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41360.

The product of its (nonzero) digits is 60000, while the sum is 35.

Adding to 155504314205 its reverse (502413405551), we get a palindrome (657917719756).

The spelling of 155504314205 in words is "one hundred fifty-five billion, five hundred four million, three hundred fourteen thousand, two hundred five".