11109253091801 has 2 divisors, whose sum is σ = 11109253091802. Its totient is φ = 11109253091800.

The previous prime is 11109253091767. The next prime is 11109253091887. The reversal of 11109253091801 is 10819035290111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7501304800201 + 3607948291600 = 2738851^2 + 1899460^2 .

It is a cyclic number.

It is not a de Polignac number, because 11109253091801 - 2¹⁰ = 11109253090777 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (11109253093801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5554626545900 + 5554626545901.

It is an arithmetic number, because the mean of its divisors is an integer number (5554626545901).

Almost surely, 2^{11109253091801} is an apocalyptic number.

It is an amenable number.

11109253091801 is a deficient number, since it is larger than the sum of its proper divisors (1).

11109253091801 is an equidigital number, since it uses as much as digits as its factorization.

11109253091801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 41.

The spelling of 11109253091801 in words is "eleven trillion, one hundred nine billion, two hundred fifty-three million, ninety-one thousand, eight hundred one".