512456611105 has 4 divisors (see below), whose sum is σ = 614947933332. Its totient is φ = 409965288880.

The previous prime is 512456611057. The next prime is 512456611109. The reversal of 512456611105 is 501116654215.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 501116654215 = 5 ⋅100223330843.

It can be written as a sum of positive squares in 2 ways, for example, as 326068408576 + 186388202529 = 571024^2 + 431727^2 .

It is not a de Polignac number, because 512456611105 - 2⁷ = 512456610977 is a prime.

It is a super-2 number, since 2×512456611105² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (512456611109) 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 3 ways as a sum of consecutive naturals, for example, 51245661106 + ... + 51245661115.

It is an arithmetic number, because the mean of its divisors is an integer number (153736983333).

Almost surely, 2^512456611105 is an apocalyptic number.

It is an amenable number.

512456611105 is a deficient number, since it is larger than the sum of its proper divisors (102491322227).

512456611105 is a wasteful number, since it uses less digits than its factorization.

512456611105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102491322226.

The product of its (nonzero) digits is 36000, while the sum is 37.

The spelling of 512456611105 in words is "five hundred twelve billion, four hundred fifty-six million, six hundred eleven thousand, one hundred five".