1108664112765 has 64 divisors (see below), whose sum is σ = 2051283854592. Its totient is φ = 505339084800.

The previous prime is 1108664112737. The next prime is 1108664112791. The reversal of 1108664112765 is 5672114668011.

It is not a de Polignac number, because 1108664112765 - 2⁸ = 1108664112509 is a prime.

It is a super-2 number, since 2×1108664112765² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2246889 + ... + 2695521.

It is an arithmetic number, because the mean of its divisors is an integer number (32051310228).

Almost surely, 2^{1108664112765} is an apocalyptic number.

1108664112765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1108664112765 is a deficient number, since it is larger than the sum of its proper divisors (942619741827).

1108664112765 is a wasteful number, since it uses less digits than its factorization.

1108664112765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449550.

The product of its (nonzero) digits is 483840, while the sum is 48.

The spelling of 1108664112765 in words is "one trillion, one hundred eight billion, six hundred sixty-four million, one hundred twelve thousand, seven hundred sixty-five".