97543332111 has 4 divisors (see below), whose sum is σ = 130057776152. Its totient is φ = 65028888072.

The previous prime is 97543332083. The next prime is 97543332121. The reversal of 97543332111 is 11123334579.

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

It is not a de Polignac number, because 97543332111 - 2⁵ = 97543332079 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 97543332111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97543332121) 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, 16257222016 + ... + 16257222021.

It is an arithmetic number, because the mean of its divisors is an integer number (32514444038).

Almost surely, 2^97543332111 is an apocalyptic number.

97543332111 is a deficient number, since it is larger than the sum of its proper divisors (32514444041).

97543332111 is a wasteful number, since it uses less digits than its factorization.

97543332111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32514444040.

The product of its digits is 68040, while the sum is 39.

The spelling of 97543332111 in words is "ninety-seven billion, five hundred forty-three million, three hundred thirty-two thousand, one hundred eleven".