11878707284569 has 2 divisors, whose sum is σ = 11878707284570. Its totient is φ = 11878707284568.

The previous prime is 11878707284533. The next prime is 11878707284611. The reversal of 11878707284569 is 96548270787811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11510840774169 + 367866510400 = 3392763^2 + 606520^2 .

It is a cyclic number.

It is not a de Polignac number, because 11878707284569 - 2¹⁷ = 11878707153497 is a prime.

It is a super-2 number, since 2×11878707284569² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11878707284069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5939353642284 + 5939353642285.

It is an arithmetic number, because the mean of its divisors is an integer number (5939353642285).

Almost surely, 2^{11878707284569} is an apocalyptic number.

It is an amenable number.

11878707284569 is a deficient number, since it is larger than the sum of its proper divisors (1).

11878707284569 is an equidigital number, since it uses as much as digits as its factorization.

11878707284569 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 379330560, while the sum is 73.

The spelling of 11878707284569 in words is "eleven trillion, eight hundred seventy-eight billion, seven hundred seven million, two hundred eighty-four thousand, five hundred sixty-nine".