99505011 has 4 divisors (see below), whose sum is σ = 132673352. Its totient is φ = 66336672.

The previous prime is 99505001. The next prime is 99505019. The reversal of 99505011 is 11050599.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 99505011 - 2⁷ = 99504883 is a prime.

It is a super-2 number, since 2×99505011² = 19802494428220242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 99505011.

It is not an unprimeable number, because it can be changed into a prime (99505019) 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 3 ways as a sum of consecutive naturals, for example, 16584166 + ... + 16584171.

It is an arithmetic number, because the mean of its divisors is an integer number (33168338).

Almost surely, 2^99505011 is an apocalyptic number.

99505011 is a deficient number, since it is larger than the sum of its proper divisors (33168341).

99505011 is a wasteful number, since it uses less digits than its factorization.

99505011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33168340.

The product of its (nonzero) digits is 2025, while the sum is 30.

The square root of 99505011 is about 9975.2198472014. The cubic root of 99505011 is about 463.3917711201.

The spelling of 99505011 in words is "ninety-nine million, five hundred five thousand, eleven".