11778450122895 has 8 divisors (see below), whose sum is σ = 18845520196656. Its totient is φ = 6281840065536.

The previous prime is 11778450122839. The next prime is 11778450122903. The reversal of 11778450122895 is 59822105487711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11778450122895 - 2⁴⁰ = 10678938495119 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 392615004082 + ... + 392615004111.

It is an arithmetic number, because the mean of its divisors is an integer number (2355690024582).

Almost surely, 2^{11778450122895} is an apocalyptic number.

11778450122895 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11778450122895 is a deficient number, since it is larger than the sum of its proper divisors (7067070073761).

11778450122895 is an equidigital number, since it uses as much as digits as its factorization.

11778450122895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785230008201.

The product of its (nonzero) digits is 11289600, while the sum is 60.

The spelling of 11778450122895 in words is "eleven trillion, seven hundred seventy-eight billion, four hundred fifty million, one hundred twenty-two thousand, eight hundred ninety-five".