11810562616065 has 16 divisors (see below), whose sum is σ = 18897118135488. Its totient is φ = 6298894078656.

The previous prime is 11810562616049. The next prime is 11810562616091. The reversal of 11810562616065 is 56061626501811.

It is not a de Polignac number, because 11810562616065 - 2⁴ = 11810562616049 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 3183642 + ... + 5810051.

It is an arithmetic number, because the mean of its divisors is an integer number (1181069883468).

Almost surely, 2^{11810562616065} is an apocalyptic number.

11810562616065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11810562616065 is a deficient number, since it is larger than the sum of its proper divisors (7086555519423).

11810562616065 is an equidigital number, since it uses as much as digits as its factorization.

11810562616065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9081248.

The product of its (nonzero) digits is 518400, while the sum is 48.

The spelling of 11810562616065 in words is "eleven trillion, eight hundred ten billion, five hundred sixty-two million, six hundred sixteen thousand, sixty-five".