105550061011 has 4 divisors (see below), whose sum is σ = 111105327400. Its totient is φ = 99994794624.

The previous prime is 105550060999. The next prime is 105550061027. The reversal of 105550061011 is 110160055501.

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 105550061011 - 2¹⁷ = 105549929939 is a prime.

It is a super-2 number, since 2×105550061011² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105550061311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2777633166 + ... + 2777633203.

It is an arithmetic number, because the mean of its divisors is an integer number (27776331850).

Almost surely, 2^105550061011 is an apocalyptic number.

105550061011 is a deficient number, since it is larger than the sum of its proper divisors (5555266389).

105550061011 is an equidigital number, since it uses as much as digits as its factorization.

105550061011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5555266388.

The product of its (nonzero) digits is 750, while the sum is 25.

The spelling of 105550061011 in words is "one hundred five billion, five hundred fifty million, sixty-one thousand, eleven".