105561315005 has 24 divisors (see below), whose sum is σ = 133150703712. Its totient is φ = 80319830976.

The previous prime is 105561315001. The next prime is 105561315007. The reversal of 105561315005 is 500513165501.

It is not a de Polignac number, because 105561315005 - 2² = 105561315001 is a prime.

It is a super-2 number, since 2×105561315005² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105561315001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94394 + ... + 469076.

It is an arithmetic number, because the mean of its divisors is an integer number (5547945988).

Almost surely, 2^105561315005 is an apocalyptic number.

It is an amenable number.

105561315005 is a deficient number, since it is larger than the sum of its proper divisors (27589388707).

105561315005 is an equidigital number, since it uses as much as digits as its factorization.

105561315005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374813 (or 374784 counting only the distinct ones).

The product of its (nonzero) digits is 11250, while the sum is 32.

The spelling of 105561315005 in words is "one hundred five billion, five hundred sixty-one million, three hundred fifteen thousand, five".