105561105110506 has 16 divisors (see below), whose sum is σ = 162042683855616. Its totient is φ = 51551489030256.

The previous prime is 105561105110491. The next prime is 105561105110521. The reversal of 105561105110506 is 605011501165501.

It is an interprime number because it is at equal distance from previous prime (105561105110491) and next prime (105561105110521).

It is a super-2 number, since 2×105561105110506² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1152921861 + ... + 1153013416.

It is an arithmetic number, because the mean of its divisors is an integer number (10127667740976).

Almost surely, 2^{105561105110506} is an apocalyptic number.

105561105110506 is a deficient number, since it is larger than the sum of its proper divisors (56481578745110).

105561105110506 is a wasteful number, since it uses less digits than its factorization.

105561105110506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2305935813.

The product of its (nonzero) digits is 22500, while the sum is 37.

The spelling of 105561105110506 in words is "one hundred five trillion, five hundred sixty-one billion, one hundred five million, one hundred ten thousand, five hundred six".