11174370840865 has 8 divisors (see below), whose sum is σ = 13736299765608. Its totient is φ = 8721460168320.

The previous prime is 11174370840799. The next prime is 11174370840869. The reversal of 11174370840865 is 56804807347111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1249092346384 + 9925278494481 = 1117628^2 + 3150441^2 .

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

It is not a de Polignac number, because 11174370840865 - 2⁴¹ = 8975347585313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11174370840869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27254562822 + ... + 27254563231.

It is an arithmetic number, because the mean of its divisors is an integer number (1717037470701).

Almost surely, 2^{11174370840865} is an apocalyptic number.

It is an amenable number.

11174370840865 is a deficient number, since it is larger than the sum of its proper divisors (2561928924743).

11174370840865 is an equidigital number, since it uses as much as digits as its factorization.

11174370840865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54509126099.

The product of its (nonzero) digits is 4515840, while the sum is 55.

The spelling of 11174370840865 in words is "eleven trillion, one hundred seventy-four billion, three hundred seventy million, eight hundred forty thousand, eight hundred sixty-five".