11101011111097 has 2 divisors, whose sum is σ = 11101011111098. Its totient is φ = 11101011111096.

The previous prime is 11101011111077. The next prime is 11101011111101. The reversal of 11101011111097 is 79011111010111.

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., 8518366053376 + 2582645057721 = 2918624^2 + 1607061^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11101011111097 is a prime.

It is not a weakly prime, because it can be changed into another prime (11101011111007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550505555548 + 5550505555549.

It is an arithmetic number, because the mean of its divisors is an integer number (5550505555549).

Almost surely, 2^{11101011111097} is an apocalyptic number.

It is an amenable number.

11101011111097 is a deficient number, since it is larger than the sum of its proper divisors (1).

11101011111097 is an equidigital number, since it uses as much as digits as its factorization.

11101011111097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63, while the sum is 25.

The spelling of 11101011111097 in words is "eleven trillion, one hundred one billion, eleven million, one hundred eleven thousand, ninety-seven".