11111643216379 has 2 divisors, whose sum is σ = 11111643216380. Its totient is φ = 11111643216378.

The previous prime is 11111643216269. The next prime is 11111643216391. The reversal of 11111643216379 is 97361234611111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11111643216379 - 2⁷ = 11111643216251 is a prime.

It is a super-2 number, since 2×11111643216379² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11111643211379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555821608189 + 5555821608190.

It is an arithmetic number, because the mean of its divisors is an integer number (5555821608190).

Almost surely, 2^{11111643216379} is an apocalyptic number.

11111643216379 is a deficient number, since it is larger than the sum of its proper divisors (1).

11111643216379 is an equidigital number, since it uses as much as digits as its factorization.

11111643216379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 46.

The spelling of 11111643216379 in words is "eleven trillion, one hundred eleven billion, six hundred forty-three million, two hundred sixteen thousand, three hundred seventy-nine".