10005123344505 has 8 divisors (see below), whose sum is σ = 16008197351232. Its totient is φ = 5336065783728.

The previous prime is 10005123344501. The next prime is 10005123344521. The reversal of 10005123344505 is 50544332150001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10005123344505 - 2² = 10005123344501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10005123344501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333504111469 + ... + 333504111498.

It is an arithmetic number, because the mean of its divisors is an integer number (2001024668904).

Almost surely, 2^{10005123344505} is an apocalyptic number.

10005123344505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10005123344505 is a deficient number, since it is larger than the sum of its proper divisors (6003074006727).

10005123344505 is an equidigital number, since it uses as much as digits as its factorization.

10005123344505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667008222975.

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 10005123344505 its reverse (50544332150001), we get a palindrome (60549455494506).

The spelling of 10005123344505 in words is "ten trillion, five billion, one hundred twenty-three million, three hundred forty-four thousand, five hundred five".