18099456200101 has 2 divisors, whose sum is σ = 18099456200102. Its totient is φ = 18099456200100.

The previous prime is 18099456200069. The next prime is 18099456200131. The reversal of 18099456200101 is 10100265499081.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17747094052900 + 352362147201 = 4212730^2 + 593601^2 .

It is a cyclic number.

It is not a de Polignac number, because 18099456200101 - 2⁵ = 18099456200069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18099456200131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9049728100050 + 9049728100051.

It is an arithmetic number, because the mean of its divisors is an integer number (9049728100051).

Almost surely, 2^{18099456200101} is an apocalyptic number.

It is an amenable number.

18099456200101 is a deficient number, since it is larger than the sum of its proper divisors (1).

18099456200101 is an equidigital number, since it uses as much as digits as its factorization.

18099456200101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 46.

The spelling of 18099456200101 in words is "eighteen trillion, ninety-nine billion, four hundred fifty-six million, two hundred thousand, one hundred one".