545416643511 has 48 divisors (see below), whose sum is σ = 805682861568. Its totient is φ = 355445798400.

The previous prime is 545416643501. The next prime is 545416643533. The reversal of 545416643511 is 115346614545.

545416643511 is a `hidden beast` number, since 5 + 4 + 54 + 166 + 435 + 1 + 1 = 666.

It is not a de Polignac number, because 545416643511 - 2¹⁴ = 545416627127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545416643501) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 167458195 + ... + 167461451.

It is an arithmetic number, because the mean of its divisors is an integer number (16785059616).

Almost surely, 2^545416643511 is an apocalyptic number.

545416643511 is a deficient number, since it is larger than the sum of its proper divisors (260266218057).

545416643511 is a wasteful number, since it uses less digits than its factorization.

545416643511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5112 (or 5109 counting only the distinct ones).

The product of its digits is 864000, while the sum is 45.

The spelling of 545416643511 in words is "five hundred forty-five billion, four hundred sixteen million, six hundred forty-three thousand, five hundred eleven".