97665432111 has 12 divisors (see below), whose sum is σ = 151924005688. Its totient is φ = 60101804304.

The previous prime is 97665432047. The next prime is 97665432121. The reversal of 97665432111 is 11123456679.

97665432111 is a `hidden beast` number, since 9 + 76 + 6 + 543 + 21 + 11 = 666.

It is not a de Polignac number, because 97665432111 - 2⁶ = 97665432047 is a prime.

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 (97665432121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 417373525 + ... + 417373758.

Almost surely, 2^97665432111 is an apocalyptic number.

97665432111 is a deficient number, since it is larger than the sum of its proper divisors (54258573577).

97665432111 is a wasteful number, since it uses less digits than its factorization.

97665432111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834747302 (or 834747299 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The spelling of 97665432111 in words is "ninety-seven billion, six hundred sixty-five million, four hundred thirty-two thousand, one hundred eleven".