105182339681 has 4 divisors (see below), whose sum is σ = 105187816452. Its totient is φ = 105176862912.

The previous prime is 105182339671. The next prime is 105182339693. The reversal of 105182339681 is 186933281501.

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 75955360000 + 29226979681 = 275600^2 + 170959^2 .

It is a cyclic number.

It is not a de Polignac number, because 105182339681 - 2⁶ = 105182339617 is a prime.

It is a super-2 number, since 2×105182339681² (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 (105182339611) 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, 2709476 + ... + 2748021.

It is an arithmetic number, because the mean of its divisors is an integer number (26296954113).

Almost surely, 2^105182339681 is an apocalyptic number.

It is an amenable number.

105182339681 is a deficient number, since it is larger than the sum of its proper divisors (5476771).

105182339681 is an equidigital number, since it uses as much as digits as its factorization.

105182339681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5476770.

The product of its (nonzero) digits is 311040, while the sum is 47.

The spelling of 105182339681 in words is "one hundred five billion, one hundred eighty-two million, three hundred thirty-nine thousand, six hundred eighty-one".