5166575582405 has 4 divisors (see below), whose sum is σ = 6199890698892. Its totient is φ = 4133260465920.

The previous prime is 5166575582383. The next prime is 5166575582437. The reversal of 5166575582405 is 5042855756615.

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 3980878905796 + 1185696676609 = 1995214^2 + 1088897^2 .

It is not a de Polignac number, because 5166575582405 - 2⁶ = 5166575582341 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 516657558236 + ... + 516657558245.

It is an arithmetic number, because the mean of its divisors is an integer number (1549972674723).

Almost surely, 2^{5166575582405} is an apocalyptic number.

It is an amenable number.

5166575582405 is a deficient number, since it is larger than the sum of its proper divisors (1033315116487).

5166575582405 is a wasteful number, since it uses less digits than its factorization.

5166575582405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033315116486.

The product of its (nonzero) digits is 50400000, while the sum is 59.

The spelling of 5166575582405 in words is "five trillion, one hundred sixty-six billion, five hundred seventy-five million, five hundred eighty-two thousand, four hundred five".