155065534273 has 32 divisors (see below), whose sum is σ = 176804522496. Its totient is φ = 134913765888.

The previous prime is 155065534243. The next prime is 155065534333. The reversal of 155065534273 is 372435560551.

It is a cyclic number.

It is not a de Polignac number, because 155065534273 - 2⁹ = 155065533761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (155065534213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29834911 + ... + 29840107.

It is an arithmetic number, because the mean of its divisors is an integer number (5525141328).

Almost surely, 2^155065534273 is an apocalyptic number.

155065534273 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

155065534273 is a deficient number, since it is larger than the sum of its proper divisors (21738988223).

155065534273 is a wasteful number, since it uses less digits than its factorization.

155065534273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6673.

The product of its (nonzero) digits is 1890000, while the sum is 46.

The spelling of 155065534273 in words is "one hundred fifty-five billion, sixty-five million, five hundred thirty-four thousand, two hundred seventy-three".