109997564801 has 4 divisors (see below), whose sum is σ = 110970994692. Its totient is φ = 109024134912.

The previous prime is 109997564773. The next prime is 109997564921. The reversal of 109997564801 is 108465799901.

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

It can be written as a sum of positive squares in 2 ways, for example, as 24017250625 + 85980314176 = 154975^2 + 293224^2 .

It is a cyclic number.

It is not a de Polignac number, because 109997564801 - 2¹⁴ = 109997548417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (109993564801) 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, 486714776 + ... + 486715001.

It is an arithmetic number, because the mean of its divisors is an integer number (27742748673).

Almost surely, 2^109997564801 is an apocalyptic number.

It is an amenable number.

109997564801 is a deficient number, since it is larger than the sum of its proper divisors (973429891).

109997564801 is an equidigital number, since it uses as much as digits as its factorization.

109997564801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973429890.

The product of its (nonzero) digits is 4898880, while the sum is 59.

The spelling of 109997564801 in words is "one hundred nine billion, nine hundred ninety-seven million, five hundred sixty-four thousand, eight hundred one".