97261718111 has 4 divisors (see below), whose sum is σ = 97421952192. Its totient is φ = 97101484032.

The previous prime is 97261718093. The next prime is 97261718117. The reversal of 97261718111 is 11181716279.

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

It is a cyclic number.

It is not a de Polignac number, because 97261718111 - 2¹⁰ = 97261717087 is a prime.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97261718117) 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, 80116130 + ... + 80117343.

It is an arithmetic number, because the mean of its divisors is an integer number (24355488048).

Almost surely, 2^97261718111 is an apocalyptic number.

97261718111 is a deficient number, since it is larger than the sum of its proper divisors (160234081).

97261718111 is a wasteful number, since it uses less digits than its factorization.

97261718111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160234080.

The product of its digits is 42336, while the sum is 44.

The spelling of 97261718111 in words is "ninety-seven billion, two hundred sixty-one million, seven hundred eighteen thousand, one hundred eleven".