105551060111 has 4 divisors (see below), whose sum is σ = 120629782992. Its totient is φ = 90472337232.

The previous prime is 105551060099. The next prime is 105551060143. The reversal of 105551060111 is 111060155501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 105551060111 - 2²² = 105546865807 is a prime.

It is a super-2 number, since 2×105551060111² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105551060171) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 7539361430 + ... + 7539361443.

It is an arithmetic number, because the mean of its divisors is an integer number (30157445748).

Almost surely, 2^105551060111 is an apocalyptic number.

105551060111 is a deficient number, since it is larger than the sum of its proper divisors (15078722881).

105551060111 is an equidigital number, since it uses as much as digits as its factorization.

105551060111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15078722880.

The product of its (nonzero) digits is 750, while the sum is 26.

The spelling of 105551060111 in words is "one hundred five billion, five hundred fifty-one million, sixty thousand, one hundred eleven".