109865497801 has 16 divisors (see below), whose sum is σ = 112504078080. Its totient is φ = 107239910400.

The previous prime is 109865497769. The next prime is 109865497843. The reversal of 109865497801 is 108794568901.

It is a cyclic number.

It is not a de Polignac number, because 109865497801 - 2⁵ = 109865497769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109865497501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35020905 + ... + 35024041.

It is an arithmetic number, because the mean of its divisors is an integer number (7031504880).

Almost surely, 2^109865497801 is an apocalyptic number.

It is an amenable number.

109865497801 is a deficient number, since it is larger than the sum of its proper divisors (2638580279).

109865497801 is a wasteful number, since it uses less digits than its factorization.

109865497801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4944.

The product of its (nonzero) digits is 4354560, while the sum is 58.

The spelling of 109865497801 in words is "one hundred nine billion, eight hundred sixty-five million, four hundred ninety-seven thousand, eight hundred one".