545431541511 has 16 divisors (see below), whose sum is σ = 735088693248. Its totient is φ = 359718746400.

The previous prime is 545431541509. The next prime is 545431541531. The reversal of 545431541511 is 115145134545.

It is not a de Polignac number, because 545431541511 - 2¹ = 545431541509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 545431541511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545431541531) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2525811 + ... + 2733236.

It is an arithmetic number, because the mean of its divisors is an integer number (45943043328).

Almost surely, 2^545431541511 is an apocalyptic number.

545431541511 is a deficient number, since it is larger than the sum of its proper divisors (189657151737).

545431541511 is a wasteful number, since it uses less digits than its factorization.

545431541511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5259422.

The product of its digits is 120000, while the sum is 39.

The spelling of 545431541511 in words is "five hundred forty-five billion, four hundred thirty-one million, five hundred forty-one thousand, five hundred eleven".