512310113405 has 4 divisors (see below), whose sum is σ = 614772136092. Its totient is φ = 409848090720.

The previous prime is 512310113339. The next prime is 512310113437. The reversal of 512310113405 is 504311013215.

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 239212940836 + 273097172569 = 489094^2 + 522587^2 .

It is not a de Polignac number, because 512310113405 - 2¹⁰ = 512310112381 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 51231011336 + ... + 51231011345.

It is an arithmetic number, because the mean of its divisors is an integer number (153693034023).

Almost surely, 2^512310113405 is an apocalyptic number.

It is an amenable number.

512310113405 is a deficient number, since it is larger than the sum of its proper divisors (102462022687).

512310113405 is a wasteful number, since it uses less digits than its factorization.

512310113405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102462022686.

The product of its (nonzero) digits is 1800, while the sum is 26.

The spelling of 512310113405 in words is "five hundred twelve billion, three hundred ten million, one hundred thirteen thousand, four hundred five".