11213097811 has 2 divisors, whose sum is σ = 11213097812. Its totient is φ = 11213097810.

The previous prime is 11213097787. The next prime is 11213097821. The reversal of 11213097811 is 11879031211.

11213097811 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11213097811 - 2¹⁵ = 11213065043 is a prime.

It is not a weakly prime, because it can be changed into another prime (11213097821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5606548905 + 5606548906.

It is an arithmetic number, because the mean of its divisors is an integer number (5606548906).

Almost surely, 2^11213097811 is an apocalyptic number.

11213097811 is a deficient number, since it is larger than the sum of its proper divisors (1).

11213097811 is an equidigital number, since it uses as much as digits as its factorization.

11213097811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 34.

The spelling of 11213097811 in words is "eleven billion, two hundred thirteen million, ninety-seven thousand, eight hundred eleven".