11880184782865 has 16 divisors (see below), whose sum is σ = 16293548671488. Its totient is φ = 8146050509376.

The previous prime is 11880184782853. The next prime is 11880184782883. The reversal of 11880184782865 is 56828748108811.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11880184782865 is a prime.

It is a super-2 number, since 2×11880184782865² (a number of 27 digits) contains 22 as substring.

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 11880184782865.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6739582 + ... + 8317591.

It is an arithmetic number, because the mean of its divisors is an integer number (1018346791968).

Almost surely, 2^{11880184782865} is an apocalyptic number.

It is an amenable number.

11880184782865 is a deficient number, since it is larger than the sum of its proper divisors (4413363888623).

11880184782865 is a wasteful number, since it uses less digits than its factorization.

11880184782865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15079728.

The product of its (nonzero) digits is 55050240, while the sum is 67.

The spelling of 11880184782865 in words is "eleven trillion, eight hundred eighty billion, one hundred eighty-four million, seven hundred eighty-two thousand, eight hundred sixty-five".