11662082865 has 64 divisors (see below), whose sum is σ = 21862329600. Its totient is φ = 5882015232.

The previous prime is 11662082843. The next prime is 11662082911. The reversal of 11662082865 is 56828026611.

11662082865 is a `hidden beast` number, since 1 + 16 + 620 + 8 + 2 + 8 + 6 + 5 = 666.

11662082865 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11662082865 - 2⁵ = 11662082833 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 11662082865.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1568637 + ... + 1576053.

It is an arithmetic number, because the mean of its divisors is an integer number (341598900).

Almost surely, 2^11662082865 is an apocalyptic number.

11662082865 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11662082865 is a deficient number, since it is larger than the sum of its proper divisors (10200246735).

11662082865 is a wasteful number, since it uses less digits than its factorization.

11662082865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8063 (or 8057 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The spelling of 11662082865 in words is "eleven billion, six hundred sixty-two million, eighty-two thousand, eight hundred sixty-five".