5105086103281 has 4 divisors (see below), whose sum is σ = 5105632871332. Its totient is φ = 5104539335232.

The previous prime is 5105086103279. The next prime is 5105086103297. The reversal of 5105086103281 is 1823016805015.

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 4202664001600 + 902422101681 = 2050040^2 + 949959^2 .

It is a cyclic number.

It is not a de Polignac number, because 5105086103281 - 2¹ = 5105086103279 is a prime.

It is a super-2 number, since 2×5105086103281² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5105086103261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273370020 + ... + 273388693.

It is an arithmetic number, because the mean of its divisors is an integer number (1276408217833).

Almost surely, 2^{5105086103281} is an apocalyptic number.

It is an amenable number.

5105086103281 is a deficient number, since it is larger than the sum of its proper divisors (546768051).

5105086103281 is an equidigital number, since it uses as much as digits as its factorization.

5105086103281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546768050.

The product of its (nonzero) digits is 57600, while the sum is 40.

The spelling of 5105086103281 in words is "five trillion, one hundred five billion, eighty-six million, one hundred three thousand, two hundred eighty-one".