312004511500545 has 24 divisors (see below), whose sum is σ = 540998446810536. Its totient is φ = 166343751710208.

The previous prime is 312004511500543. The next prime is 312004511500559. The reversal of 312004511500545 is 545005115400213.

312004511500545 is a `hidden beast` number, since 3 + 1 + 2 + 0 + 0 + 451 + 150 + 0 + 54 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 318515754384 + 311685995746161 = 564372^2 + 17654631^2 .

It is not a de Polignac number, because 312004511500545 - 2¹ = 312004511500543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (312004511500543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1221838072 + ... + 1222093401.

It is an arithmetic number, because the mean of its divisors is an integer number (22541601950439).

Almost surely, 2^{312004511500545} is an apocalyptic number.

It is an amenable number.

312004511500545 is a deficient number, since it is larger than the sum of its proper divisors (228993935309991).

312004511500545 is a wasteful number, since it uses less digits than its factorization.

312004511500545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2443934321 (or 2443934318 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

Adding to 312004511500545 its reverse (545005115400213), we get a palindrome (857009626900758).

The spelling of 312004511500545 in words is "three hundred twelve trillion, four billion, five hundred eleven million, five hundred thousand, five hundred forty-five".