99917454032111 has 8 divisors (see below), whose sum is σ = 102241256726400. Its totient is φ = 97593657745752.

The previous prime is 99917454032063. The next prime is 99917454032117. The reversal of 99917454032111 is 11123045471999.

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 99917454032111 - 2⁶ = 99917454032047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99917454032117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46656896 + ... + 48751418.

It is an arithmetic number, because the mean of its divisors is an integer number (12780157090800).

Almost surely, 2^{99917454032111} is an apocalyptic number.

99917454032111 is a deficient number, since it is larger than the sum of its proper divisors (2323802694289).

99917454032111 is a wasteful number, since it uses less digits than its factorization.

99917454032111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3203965.

The product of its (nonzero) digits is 2449440, while the sum is 56.

The spelling of 99917454032111 in words is "ninety-nine trillion, nine hundred seventeen billion, four hundred fifty-four million, thirty-two thousand, one hundred eleven".