155558261206 has 16 divisors (see below), whose sum is σ = 243913328640. Its totient is φ = 74317337640.

The previous prime is 155558261161. The next prime is 155558261213. The reversal of 155558261206 is 602162855551.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 15874876 + ... + 15884671.

It is an arithmetic number, because the mean of its divisors is an integer number (15244583040).

Almost surely, 2^155558261206 is an apocalyptic number.

155558261206 is a deficient number, since it is larger than the sum of its proper divisors (88355067434).

155558261206 is a wasteful number, since it uses less digits than its factorization.

155558261206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31759659.

The product of its (nonzero) digits is 720000, while the sum is 46.

The spelling of 155558261206 in words is "one hundred fifty-five billion, five hundred fifty-eight million, two hundred sixty-one thousand, two hundred six".