105510550061 has 16 divisors (see below), whose sum is σ = 124485746688. Its totient is φ = 87511503600.

The previous prime is 105510550027. The next prime is 105510550069. The reversal of 105510550061 is 160055015501.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 105510550061 - 2¹⁰ = 105510549037 is a prime.

It is a super-2 number, since 2×105510550061² (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 (105510550069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3023036 + ... + 3057738.

It is an arithmetic number, because the mean of its divisors is an integer number (7780359168).

Almost surely, 2^105510550061 is an apocalyptic number.

It is an amenable number.

105510550061 is a deficient number, since it is larger than the sum of its proper divisors (18975196627).

105510550061 is a wasteful number, since it uses less digits than its factorization.

105510550061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48752.

The product of its (nonzero) digits is 3750, while the sum is 29.

Adding to 105510550061 its reverse (160055015501), we get a palindrome (265565565562).

The spelling of 105510550061 in words is "one hundred five billion, five hundred ten million, five hundred fifty thousand, sixty-one".