11783945117895 has 8 divisors (see below), whose sum is σ = 18854312188656. Its totient is φ = 6284770729536.

The previous prime is 11783945117851. The next prime is 11783945117909. The reversal of 11783945117895 is 59871154938711.

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

It is not a de Polignac number, because 11783945117895 - 2²¹ = 11783943020743 is a prime.

It is a super-2 number, since 2×11783945117895² (a number of 27 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (69) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 392798170582 + ... + 392798170611.

It is an arithmetic number, because the mean of its divisors is an integer number (2356789023582).

Almost surely, 2^{11783945117895} is an apocalyptic number.

11783945117895 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11783945117895 is a deficient number, since it is larger than the sum of its proper divisors (7070367070761).

11783945117895 is an equidigital number, since it uses as much as digits as its factorization.

11783945117895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785596341201.

The product of its digits is 76204800, while the sum is 69.

The spelling of 11783945117895 in words is "eleven trillion, seven hundred eighty-three billion, nine hundred forty-five million, one hundred seventeen thousand, eight hundred ninety-five".