155446228479055 has 16 divisors (see below), whose sum is σ = 189678164327424. Its totient is φ = 122271401014560.

The previous prime is 155446228479053. The next prime is 155446228479103. The reversal of 155446228479055 is 550974822644551.

155446228479055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 155446228479055 - 2¹ = 155446228479053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155446228479053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 596431977 + ... + 596692546.

It is an arithmetic number, because the mean of its divisors is an integer number (11854885270464).

Almost surely, 2^{155446228479055} is an apocalyptic number.

155446228479055 is a deficient number, since it is larger than the sum of its proper divisors (34231935848369).

155446228479055 is a wasteful number, since it uses less digits than its factorization.

155446228479055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193124966.

The product of its (nonzero) digits is 483840000, while the sum is 67.

The spelling of 155446228479055 in words is "one hundred fifty-five trillion, four hundred forty-six billion, two hundred twenty-eight million, four hundred seventy-nine thousand, fifty-five".