1100001099853 has 2 divisors, whose sum is σ = 1100001099854. Its totient is φ = 1100001099852.

The previous prime is 1100001099823. The next prime is 1100001099881. The reversal of 1100001099853 is 3589901000011.

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., 958867891524 + 141133208329 = 979218^2 + 375677^2 .

It is a cyclic number.

It is not a de Polignac number, because 1100001099853 - 2¹³ = 1100001091661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1100001099823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550000549926 + 550000549927.

It is an arithmetic number, because the mean of its divisors is an integer number (550000549927).

Almost surely, 2^{1100001099853} is an apocalyptic number.

It is an amenable number.

1100001099853 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100001099853 is an equidigital number, since it uses as much as digits as its factorization.

1100001099853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 37.

Adding to 1100001099853 its reverse (3589901000011), we get a palindrome (4689902099864).

The spelling of 1100001099853 in words is "one trillion, one hundred billion, one million, ninety-nine thousand, eight hundred fifty-three".