11878342505011 has 2 divisors, whose sum is σ = 11878342505012. Its totient is φ = 11878342505010.

The previous prime is 11878342504997. The next prime is 11878342505021. The reversal of 11878342505011 is 11050524387811.

It is a strong prime.

It is an emirp because it is prime and its reverse (11050524387811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11878342505011 - 2⁴¹ = 9679319249459 is a prime.

It is a super-2 number, since 2×11878342505011² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11878342505021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5939171252505 + 5939171252506.

It is an arithmetic number, because the mean of its divisors is an integer number (5939171252506).

Almost surely, 2^{11878342505011} is an apocalyptic number.

11878342505011 is a deficient number, since it is larger than the sum of its proper divisors (1).

11878342505011 is an equidigital number, since it uses as much as digits as its factorization.

11878342505011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 268800, while the sum is 46.

The spelling of 11878342505011 in words is "eleven trillion, eight hundred seventy-eight billion, three hundred forty-two million, five hundred five thousand, eleven".