105438346061 has 4 divisors (see below), whose sum is σ = 105577631292. Its totient is φ = 105299060832.

The previous prime is 105438346051. The next prime is 105438346087. The reversal of 105438346061 is 160643834501.

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

It can be written as a sum of positive squares in 2 ways, for example, as 21204893161 + 84233452900 = 145619^2 + 290230^2 .

It is a cyclic number.

It is not a de Polignac number, because 105438346061 - 2³⁴ = 88258476877 is a prime.

It is a super-2 number, since 2×105438346061² (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 (105438346051) 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, 69641480 + ... + 69642993.

It is an arithmetic number, because the mean of its divisors is an integer number (26394407823).

Almost surely, 2^105438346061 is an apocalyptic number.

It is an amenable number.

105438346061 is a deficient number, since it is larger than the sum of its proper divisors (139285231).

105438346061 is an equidigital number, since it uses as much as digits as its factorization.

105438346061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139285230.

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 105438346061 in words is "one hundred five billion, four hundred thirty-eight million, three hundred forty-six thousand, sixty-one".