106173395281 has 2 divisors, whose sum is σ = 106173395282. Its totient is φ = 106173395280.

The previous prime is 106173395257. The next prime is 106173395333. The reversal of 106173395281 is 182593371601.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79303628881 + 26869766400 = 281609^2 + 163920^2 .

It is a cyclic number.

It is not a de Polignac number, because 106173395281 - 2¹⁵ = 106173362513 is a prime.

It is a super-2 number, since 2×106173395281² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (106173393281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53086697640 + 53086697641.

It is an arithmetic number, because the mean of its divisors is an integer number (53086697641).

Almost surely, 2^106173395281 is an apocalyptic number.

It is an amenable number.

106173395281 is a deficient number, since it is larger than the sum of its proper divisors (1).

106173395281 is an equidigital number, since it uses as much as digits as its factorization.

106173395281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 46.

The spelling of 106173395281 in words is "one hundred six billion, one hundred seventy-three million, three hundred ninety-five thousand, two hundred eighty-one".