512100113304145 has 4 divisors (see below), whose sum is σ = 614520135964980. Its totient is φ = 409680090643312.

The previous prime is 512100113304071. The next prime is 512100113304217. The reversal of 512100113304145 is 541403311001215.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 296664384706704 + 215435728597441 = 17223948^2 + 14677729^2 .

It is a cyclic number.

It is not a de Polignac number, because 512100113304145 - 2²⁹ = 512099576433233 is a prime.

It is a super-2 number, since 2×512100113304145² (a number of 30 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 51210011330410 + ... + 51210011330419.

It is an arithmetic number, because the mean of its divisors is an integer number (153630033991245).

Almost surely, 2^{512100113304145} is an apocalyptic number.

It is an amenable number.

512100113304145 is a deficient number, since it is larger than the sum of its proper divisors (102420022660835).

512100113304145 is a wasteful number, since it uses less digits than its factorization.

512100113304145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102420022660834.

The product of its (nonzero) digits is 7200, while the sum is 31.

The spelling of 512100113304145 in words is "five hundred twelve trillion, one hundred billion, one hundred thirteen million, three hundred four thousand, one hundred forty-five".