11967148955369 has 2 divisors, whose sum is σ = 11967148955370. Its totient is φ = 11967148955368.

The previous prime is 11967148955347. The next prime is 11967148955389. The reversal of 11967148955369 is 96355984176911.

11967148955369 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 can be written as a sum of positive squares in only one way, i.e., 8488849354969 + 3478299600400 = 2913563^2 + 1865020^2 .

It is a cyclic number.

It is not a de Polignac number, because 11967148955369 - 2²⁴ = 11967132178153 is a prime.

It is a super-2 number, since 2×11967148955369² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11967148955296 and 11967148955305.

It is not a weakly prime, because it can be changed into another prime (11967148955389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5983574477684 + 5983574477685.

It is an arithmetic number, because the mean of its divisors is an integer number (5983574477685).

Almost surely, 2^{11967148955369} is an apocalyptic number.

It is an amenable number.

11967148955369 is a deficient number, since it is larger than the sum of its proper divisors (1).

11967148955369 is an equidigital number, since it uses as much as digits as its factorization.

11967148955369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 440899200, while the sum is 74.

The spelling of 11967148955369 in words is "eleven trillion, nine hundred sixty-seven billion, one hundred forty-eight million, nine hundred fifty-five thousand, three hundred sixty-nine".