11111110332011 has 2 divisors, whose sum is σ = 11111110332012. Its totient is φ = 11111110332010.

The previous prime is 11111110331969. The next prime is 11111110332029. The reversal of 11111110332011 is 11023301111111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11111110332011 - 2¹⁸ = 11111110069867 is a prime.

It is not a weakly prime, because it can be changed into another prime (11111110332611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555555166005 + 5555555166006.

It is an arithmetic number, because the mean of its divisors is an integer number (5555555166006).

Almost surely, 2^{11111110332011} is an apocalyptic number.

11111110332011 is a deficient number, since it is larger than the sum of its proper divisors (1).

11111110332011 is an equidigital number, since it uses as much as digits as its factorization.

11111110332011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 17.

Adding to 11111110332011 its reverse (11023301111111), we get a palindrome (22134411443122).

The spelling of 11111110332011 in words is "eleven trillion, one hundred eleven billion, one hundred ten million, three hundred thirty-two thousand, eleven".