11774675645 has 8 divisors (see below), whose sum is σ = 14130229560. Its totient is φ = 9419328000.

The previous prime is 11774675581. The next prime is 11774675707. The reversal of 11774675645 is 54657647711.

It can be written as a sum of positive squares in 4 ways, for example, as 620358649 + 11154316996 = 24907^2 + 105614^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11774675645 - 2⁶ = 11774675581 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136145 + ... + 205145.

It is an arithmetic number, because the mean of its divisors is an integer number (1766278695).

Almost surely, 2^11774675645 is an apocalyptic number.

It is an amenable number.

11774675645 is a deficient number, since it is larger than the sum of its proper divisors (2355553915).

11774675645 is an equidigital number, since it uses as much as digits as its factorization.

11774675645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103135.

The product of its digits is 4939200, while the sum is 53.

It can be divided in two parts, 117746 and 75645, that added together give a palindrome (193391).

The spelling of 11774675645 in words is "eleven billion, seven hundred seventy-four million, six hundred seventy-five thousand, six hundred forty-five".