98765432111 has 16 divisors (see below), whose sum is σ = 105141619968. Its totient is φ = 92610086400.

The previous prime is 98765432099. The next prime is 98765432137. The reversal of 98765432111 is 11123456789.

It is a cyclic number.

It is not a de Polignac number, because 98765432111 - 2³⁰ = 97691690287 is a prime.

It is a super-2 number, since 2×98765432111² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98765432191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97781 + ... + 455073.

It is an arithmetic number, because the mean of its divisors is an integer number (6571351248).

Almost surely, 2^98765432111 is an apocalyptic number.

98765432111 is a deficient number, since it is larger than the sum of its proper divisors (6376187857).

98765432111 is a wasteful number, since it uses less digits than its factorization.

98765432111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357602.

The product of its digits is 362880, while the sum is 47.

The spelling of 98765432111 in words is "ninety-eight billion, seven hundred sixty-five million, four hundred thirty-two thousand, one hundred eleven".