11816384640275 has 12 divisors (see below), whose sum is σ = 15289374213552. Its totient is φ = 9042103028640.

The previous prime is 11816384640223. The next prime is 11816384640331. The reversal of 11816384640275 is 57204648361811.

It is not a de Polignac number, because 11816384640275 - 2²² = 11816380445971 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11816384640275.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10275116504 + ... + 10275117653.

It is an arithmetic number, because the mean of its divisors is an integer number (1274114517796).

Almost surely, 2^{11816384640275} is an apocalyptic number.

11816384640275 is a deficient number, since it is larger than the sum of its proper divisors (3472989573277).

11816384640275 is a wasteful number, since it uses less digits than its factorization.

11816384640275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20550234190 (or 20550234185 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 56.

The spelling of 11816384640275 in words is "eleven trillion, eight hundred sixteen billion, three hundred eighty-four million, six hundred forty thousand, two hundred seventy-five".