99541111 has 2 divisors, whose sum is σ = 99541112. Its totient is φ = 99541110.

The previous prime is 99541073. The next prime is 99541147. The reversal of 99541111 is 11114599.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99541111 - 2¹⁷ = 99410039 is a prime.

It is a super-2 number, since 2×99541111² = 19816865558228642, which contains 22 as substring.

It is a nialpdrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99541181) 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 as a sum of consecutive naturals, namely, 49770555 + 49770556.

It is an arithmetic number, because the mean of its divisors is an integer number (49770556).

Almost surely, 2^99541111 is an apocalyptic number.

99541111 is a deficient number, since it is larger than the sum of its proper divisors (1).

99541111 is an equidigital number, since it uses as much as digits as its factorization.

99541111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1620, while the sum is 31.

The square root of 99541111 is about 9977.0291670417. The cubic root of 99541111 is about 463.4478032073.

The spelling of 99541111 in words is "ninety-nine million, five hundred forty-one thousand, one hundred eleven".