98585215081 has 8 divisors (see below), whose sum is σ = 101001049128. Its totient is φ = 96169920000.

The previous prime is 98585215073. The next prime is 98585215121. The reversal of 98585215081 is 18051258589.

It can be written as a sum of positive squares in 4 ways, for example, as 35604293481 + 62980921600 = 188691^2 + 250960^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 98585215081 - 2³ = 98585215073 is a prime.

It is a super-2 number, since 2×98585215081² (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 (98585215021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248781 + ... + 508981.

It is an arithmetic number, because the mean of its divisors is an integer number (12625131141).

Almost surely, 2^98585215081 is an apocalyptic number.

It is an amenable number.

98585215081 is a deficient number, since it is larger than the sum of its proper divisors (2415834047).

98585215081 is a wasteful number, since it uses less digits than its factorization.

98585215081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269483.

The product of its (nonzero) digits is 1152000, while the sum is 52.

The spelling of 98585215081 in words is "ninety-eight billion, five hundred eighty-five million, two hundred fifteen thousand, eighty-one".