99111481 has 8 divisors (see below), whose sum is σ = 113367744. Its totient is φ = 84879600.

The previous prime is 99111469. The next prime is 99111487. The reversal of 99111481 is 18411199.

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

It is a cyclic number.

It is not a de Polignac number, because 99111481 - 2¹¹ = 99109433 is a prime.

It is a super-2 number, since 2×99111481² = 19646171332026722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (99111487) 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 7 ways as a sum of consecutive naturals, for example, 3666 + ... + 14548.

It is an arithmetic number, because the mean of its divisors is an integer number (14170968).

Almost surely, 2^99111481 is an apocalyptic number.

It is an amenable number.

99111481 is a deficient number, since it is larger than the sum of its proper divisors (14256263).

99111481 is a wasteful number, since it uses less digits than its factorization.

99111481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12191.

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

The square root of 99111481 is about 9955.4749258888. The cubic root of 99111481 is about 462.7800783243.

The spelling of 99111481 in words is "ninety-nine million, one hundred eleven thousand, four hundred eighty-one".