99805011 has 8 divisors (see below), whose sum is σ = 140901264. Its totient is φ = 62622720.

The previous prime is 99805003. The next prime is 99805019. The reversal of 99805011 is 11050899.

It is an interprime number because it is at equal distance from previous prime (99805003) and next prime (99805019).

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

It is not a de Polignac number, because 99805011 - 2³ = 99805003 is a prime.

It is a super-2 number, since 2×99805011² = 19922080441420242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (99805019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 978430 + ... + 978531.

It is an arithmetic number, because the mean of its divisors is an integer number (17612658).

Almost surely, 2^99805011 is an apocalyptic number.

99805011 is a deficient number, since it is larger than the sum of its proper divisors (41096253).

99805011 is a wasteful number, since it uses less digits than its factorization.

99805011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1956981.

The product of its (nonzero) digits is 3240, while the sum is 33.

The square root of 99805011 is about 9990.2457927721. The cubic root of 99805011 is about 463.8570008086.

The spelling of 99805011 in words is "ninety-nine million, eight hundred five thousand, eleven".