11110111011061 has 2 divisors, whose sum is σ = 11110111011062. Its totient is φ = 11110111011060.

The previous prime is 11110111011037. The next prime is 11110111011071. The reversal of 11110111011061 is 16011011101111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7461365402500 + 3648745608561 = 2731550^2 + 1910169^2 .

It is a cyclic number.

It is not a de Polignac number, because 11110111011061 - 2¹⁵ = 11110110978293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11110111011071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555055505530 + 5555055505531.

It is an arithmetic number, because the mean of its divisors is an integer number (5555055505531).

Almost surely, 2^{11110111011061} is an apocalyptic number.

It is an amenable number.

11110111011061 is a deficient number, since it is larger than the sum of its proper divisors (1).

11110111011061 is an equidigital number, since it uses as much as digits as its factorization.

11110111011061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6, while the sum is 16.

Adding to 11110111011061 its reverse (16011011101111), we get a palindrome (27121122112172).

The spelling of 11110111011061 in words is "eleven trillion, one hundred ten billion, one hundred eleven million, eleven thousand, sixty-one".