1100000997911 has 2 divisors, whose sum is σ = 1100000997912. Its totient is φ = 1100000997910.

The previous prime is 1100000997899. The next prime is 1100000997943. The reversal of 1100000997911 is 1197990000011.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1100000997911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1100000997961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550000498955 + 550000498956.

It is an arithmetic number, because the mean of its divisors is an integer number (550000498956).

Almost surely, 2^{1100000997911} is an apocalyptic number.

1100000997911 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100000997911 is an equidigital number, since it uses as much as digits as its factorization.

1100000997911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5103, while the sum is 38.

Adding to 1100000997911 its reverse (1197990000011), we get a palindrome (2297990997922).

The spelling of 1100000997911 in words is "one trillion, one hundred billion, nine hundred ninety-seven thousand, nine hundred eleven".