99481111 has 4 divisors (see below), whose sum is σ = 99524592. Its totient is φ = 99437632.

The previous prime is 99481099. The next prime is 99481117. The reversal of 99481111 is 11118499.

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

It is a cyclic number.

It is not a de Polignac number, because 99481111 - 2⁵ = 99481079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99481117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18106 + ... + 22951.

It is an arithmetic number, because the mean of its divisors is an integer number (24881148).

Almost surely, 2^99481111 is an apocalyptic number.

99481111 is a deficient number, since it is larger than the sum of its proper divisors (43481).

99481111 is a wasteful number, since it uses less digits than its factorization.

99481111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43480.

The product of its digits is 2592, while the sum is 34.

The square root of 99481111 is about 9974.0218066736. The cubic root of 99481111 is about 463.3546676281.

The spelling of 99481111 in words is "ninety-nine million, four hundred eighty-one thousand, one hundred eleven".