547121458854545 has 32 divisors (see below), whose sum is σ = 685612680480000. Its totient is φ = 418348297886464.

The previous prime is 547121458854527. The next prime is 547121458854587. The reversal of 547121458854545 is 545458854121745.

It is a cyclic number.

It is not a de Polignac number, because 547121458854545 - 2¹⁰ = 547121458853521 is a prime.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 852492431 + ... + 853133979.

It is an arithmetic number, because the mean of its divisors is an integer number (21425396265000).

Almost surely, 2^{547121458854545} is an apocalyptic number.

It is an amenable number.

547121458854545 is a deficient number, since it is larger than the sum of its proper divisors (138491221625455).

547121458854545 is a wasteful number, since it uses less digits than its factorization.

547121458854545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647209.

The product of its digits is 716800000, while the sum is 68.

The spelling of 547121458854545 in words is "five hundred forty-seven trillion, one hundred twenty-one billion, four hundred fifty-eight million, eight hundred fifty-four thousand, five hundred forty-five".