155350550543 has 32 divisors (see below), whose sum is σ = 169882048512. Its totient is φ = 141486912000.

The previous prime is 155350550521. The next prime is 155350550587. The reversal of 155350550543 is 345055053551.

It is a cyclic number.

It is not a de Polignac number, because 155350550543 - 2⁶ = 155350550479 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 155350550543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155350550143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46468730 + ... + 46472072.

It is an arithmetic number, because the mean of its divisors is an integer number (5308814016).

Almost surely, 2^155350550543 is an apocalyptic number.

155350550543 is a deficient number, since it is larger than the sum of its proper divisors (14531497969).

155350550543 is a wasteful number, since it uses less digits than its factorization.

155350550543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3975.

The product of its (nonzero) digits is 562500, while the sum is 41.

The spelling of 155350550543 in words is "one hundred fifty-five billion, three hundred fifty million, five hundred fifty thousand, five hundred forty-three".