106561118722 has 8 divisors (see below), whose sum is σ = 159864968700. Its totient is φ = 53272795824.

The previous prime is 106561118669. The next prime is 106561118747. The reversal of 106561118722 is 227811165601.

It can be written as a sum of positive squares in 2 ways, for example, as 106094169841 + 466948881 = 325721^2 + 21609^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×106561118722² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3864597 + ... + 3892072.

Almost surely, 2^106561118722 is an apocalyptic number.

106561118722 is a deficient number, since it is larger than the sum of its proper divisors (53303849978).

106561118722 is an equidigital number, since it uses as much as digits as its factorization.

106561118722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7763540.

The product of its (nonzero) digits is 40320, while the sum is 40.

The spelling of 106561118722 in words is "one hundred six billion, five hundred sixty-one million, one hundred eighteen thousand, seven hundred twenty-two".