545307915075012 has 18 divisors (see below), whose sum is σ = 1378417229773038. Its totient is φ = 181769305024992.

The previous prime is 545307915074957. The next prime is 545307915075023. The reversal of 545307915075012 is 210570519703545.

It is a happy number.

545307915075012 is a `hidden beast` number, since 5 + 4 + 5 + 3 + 0 + 79 + 1 + 507 + 50 + 12 = 666.

It can be written as a sum of positive squares in only one way, i.e., 462195993577536 + 83111921497476 = 21498744^2 + 9116574^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 545307915075012.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7573721042673 + ... + 7573721042744.

It is an arithmetic number, because the mean of its divisors is an integer number (76578734987391).

Almost surely, 2^{545307915075012} is an apocalyptic number.

It is an amenable number.

545307915075012 is an abundant number, since it is smaller than the sum of its proper divisors (833109314698026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

545307915075012 is a wasteful number, since it uses less digits than its factorization.

545307915075012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15147442085427 (or 15147442085422 counting only the distinct ones).

The product of its (nonzero) digits is 6615000, while the sum is 54.

The spelling of 545307915075012 in words is "five hundred forty-five trillion, three hundred seven billion, nine hundred fifteen million, seventy-five thousand, twelve".