106098729985 has 4 divisors (see below), whose sum is σ = 127318475988. Its totient is φ = 84878983984.

The previous prime is 106098729949. The next prime is 106098730009. The reversal of 106098729985 is 589927890601.

It is a Cunningham number, because it is equal to 325728²+1.

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 38195230096 + 67903499889 = 195436^2 + 260583^2 .

It is a cyclic number.

It is not a de Polignac number, because 106098729985 - 2⁷ = 106098729857 is a prime.

It is a super-2 number, since 2×106098729985² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

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, 10609872994 + ... + 10609873003.

It is an arithmetic number, because the mean of its divisors is an integer number (31829618997).

Almost surely, 2^106098729985 is an apocalyptic number.

It is an amenable number.

106098729985 is a deficient number, since it is larger than the sum of its proper divisors (21219746003).

106098729985 is an equidigital number, since it uses as much as digits as its factorization.

106098729985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21219746002.

The product of its (nonzero) digits is 19595520, while the sum is 64.

The spelling of 106098729985 in words is "one hundred six billion, ninety-eight million, seven hundred twenty-nine thousand, nine hundred eighty-five".