99943011 has 16 divisors (see below), whose sum is σ = 169216000. Its totient is φ = 57110184.

The previous prime is 99942923. The next prime is 99943013. The reversal of 99943011 is 11034999.

It is not a de Polignac number, because 99943011 - 2¹¹ = 99940963 is a prime.

It is a super-2 number, since 2×99943011² = 19977210895492242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99943013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264211 + ... + 264588.

It is an arithmetic number, because the mean of its divisors is an integer number (10576000).

Almost surely, 2^99943011 is an apocalyptic number.

99943011 is a deficient number, since it is larger than the sum of its proper divisors (69272989).

99943011 is a wasteful number, since it uses less digits than its factorization.

99943011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528815 (or 528809 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 36.

The square root of 99943011 is about 9997.1501439160. The cubic root of 99943011 is about 464.0706934376.

The spelling of 99943011 in words is "ninety-nine million, nine hundred forty-three thousand, eleven".