97654321111111 has 16 divisors (see below), whose sum is σ = 103244161794048. Its totient is φ = 92235632954400.

The previous prime is 97654321111103. The next prime is 97654321111117. The reversal of 97654321111111 is 11111112345679.

It is a cyclic number.

It is not a de Polignac number, because 97654321111111 - 2³ = 97654321111103 is a prime.

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 (97654321111117) 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, 155279361 + ... + 155906986.

It is an arithmetic number, because the mean of its divisors is an integer number (6452760112128).

Almost surely, 2^{97654321111111} is an apocalyptic number.

97654321111111 is a deficient number, since it is larger than the sum of its proper divisors (5589840682937).

97654321111111 is a wasteful number, since it uses less digits than its factorization.

97654321111111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311186622.

The product of its digits is 45360, while the sum is 43.

The spelling of 97654321111111 in words is "ninety-seven trillion, six hundred fifty-four billion, three hundred twenty-one million, one hundred eleven thousand, one hundred eleven".