11108011645 has 4 divisors (see below), whose sum is σ = 13329613980. Its totient is φ = 8886409312.

The previous prime is 11108011637. The next prime is 11108011669. The reversal of 11108011645 is 54611080111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1906981561 + 9201030084 = 43669^2 + 95922^2 .

It is a cyclic number.

It is not a de Polignac number, because 11108011645 - 2³ = 11108011637 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 1110801160 + ... + 1110801169.

It is an arithmetic number, because the mean of its divisors is an integer number (3332403495).

Almost surely, 2^11108011645 is an apocalyptic number.

It is an amenable number.

11108011645 is a deficient number, since it is larger than the sum of its proper divisors (2221602335).

11108011645 is an equidigital number, since it uses as much as digits as its factorization.

11108011645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2221602334.

The product of its (nonzero) digits is 960, while the sum is 28.

Adding to 11108011645 its reverse (54611080111), we get a palindrome (65719091756).

The spelling of 11108011645 in words is "eleven billion, one hundred eight million, eleven thousand, six hundred forty-five".