11774854145 has 8 divisors (see below), whose sum is σ = 14144003304. Its totient is φ = 9410431104.

The previous prime is 11774854139. The next prime is 11774854171. The reversal of 11774854145 is 54145847711.

It is a happy number.

It is a Cunningham number, because it is equal to 108512²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 784896256 + 10989957889 = 28016^2 + 104833^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 11774854145 - 2⁴ = 11774854129 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11774854145.

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, 1176044 + ... + 1186013.

It is an arithmetic number, because the mean of its divisors is an integer number (1768000413).

Almost surely, 2^11774854145 is an apocalyptic number.

It is an amenable number.

11774854145 is a deficient number, since it is larger than the sum of its proper divisors (2369149159).

11774854145 is an equidigital number, since it uses as much as digits as its factorization.

11774854145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2363059.

The product of its digits is 627200, while the sum is 47.

The spelling of 11774854145 in words is "eleven billion, seven hundred seventy-four million, eight hundred fifty-four thousand, one hundred forty-five".