11678893305787 has 2 divisors, whose sum is σ = 11678893305788. Its totient is φ = 11678893305786.

The previous prime is 11678893305763. The next prime is 11678893305839. The reversal of 11678893305787 is 78750339887611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11678893305787 - 2⁴³ = 2882800283579 is a prime.

It is not a weakly prime, because it can be changed into another prime (11678893105787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5839446652893 + 5839446652894.

It is an arithmetic number, because the mean of its divisors is an integer number (5839446652894).

Almost surely, 2^{11678893305787} is an apocalyptic number.

11678893305787 is a deficient number, since it is larger than the sum of its proper divisors (1).

11678893305787 is an equidigital number, since it uses as much as digits as its factorization.

11678893305787 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 426746880, while the sum is 73.

The spelling of 11678893305787 in words is "eleven trillion, six hundred seventy-eight billion, eight hundred ninety-three million, three hundred five thousand, seven hundred eighty-seven".