545344234115555 has 16 divisors (see below), whose sum is σ = 787263856769280. Its totient is φ = 354268735545312.

The previous prime is 545344234115533. The next prime is 545344234115579. The reversal of 545344234115555 is 555511432443545.

It is not a de Polignac number, because 545344234115555 - 2¹⁸ = 545344233853411 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 545344234115555.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 410033258069 + ... + 410033259398.

It is an arithmetic number, because the mean of its divisors is an integer number (49203991048080).

Almost surely, 2^{545344234115555} is an apocalyptic number.

545344234115555 is a deficient number, since it is larger than the sum of its proper divisors (241919622653725).

545344234115555 is a wasteful number, since it uses less digits than its factorization.

545344234115555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820066517498.

The product of its digits is 72000000, while the sum is 56.

The spelling of 545344234115555 in words is "five hundred forty-five trillion, three hundred forty-four billion, two hundred thirty-four million, one hundred fifteen thousand, five hundred fifty-five".