351127605005 has 4 divisors (see below), whose sum is σ = 421353126012. Its totient is φ = 280902084000.

The previous prime is 351127604987. The next prime is 351127605013. The reversal of 351127605005 is 500506721153.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 500506721153 = 17291 ⋅28946083.

It can be written as a sum of positive squares in 2 ways, for example, as 160886825449 + 190240779556 = 401107^2 + 436166^2 .

It is not a de Polignac number, because 351127605005 - 2⁶ = 351127604941 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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35112760496 + ... + 35112760505.

It is an arithmetic number, because the mean of its divisors is an integer number (105338281503).

Almost surely, 2^351127605005 is an apocalyptic number.

It is an amenable number.

351127605005 is a deficient number, since it is larger than the sum of its proper divisors (70225521007).

351127605005 is an equidigital number, since it uses as much as digits as its factorization.

351127605005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70225521006.

The product of its (nonzero) digits is 31500, while the sum is 35.

The spelling of 351127605005 in words is "three hundred fifty-one billion, one hundred twenty-seven million, six hundred five thousand, five".