5123052280805 has 4 divisors (see below), whose sum is σ = 6147662736972. Its totient is φ = 4098441824640.

The previous prime is 5123052280793. The next prime is 5123052280807. The reversal of 5123052280805 is 5080822503215.

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 3399605815204 + 1723446465601 = 1843802^2 + 1312801^2 .

It is not a de Polignac number, because 5123052280805 - 2⁶ = 5123052280741 is a prime.

It is a super-2 number, since 2×5123052280805² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5123052280807) by changing a digit.

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, 512305228076 + ... + 512305228085.

It is an arithmetic number, because the mean of its divisors is an integer number (1536915684243).

Almost surely, 2^{5123052280805} is an apocalyptic number.

It is an amenable number.

5123052280805 is a deficient number, since it is larger than the sum of its proper divisors (1024610456167).

5123052280805 is a wasteful number, since it uses less digits than its factorization.

5123052280805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024610456166.

The product of its (nonzero) digits is 192000, while the sum is 41.

The spelling of 5123052280805 in words is "five trillion, one hundred twenty-three billion, fifty-two million, two hundred eighty thousand, eight hundred five".