11774175145 has 4 divisors (see below), whose sum is σ = 14129010180. Its totient is φ = 9419340112.

The previous prime is 11774175143. The next prime is 11774175173. The reversal of 11774175145 is 54157147711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54157147711 = 6007 ⋅9015673.

It can be written as a sum of positive squares in 2 ways, for example, as 2634050329 + 9140124816 = 51323^2 + 95604^2 .

It is a cyclic number.

It is not a de Polignac number, because 11774175145 - 2¹ = 11774175143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11774175143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1177417510 + ... + 1177417519.

It is an arithmetic number, because the mean of its divisors is an integer number (3532252545).

Almost surely, 2^11774175145 is an apocalyptic number.

It is an amenable number.

11774175145 is a deficient number, since it is larger than the sum of its proper divisors (2354835035).

11774175145 is an equidigital number, since it uses as much as digits as its factorization.

11774175145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2354835034.

The product of its digits is 137200, while the sum is 43.

The spelling of 11774175145 in words is "eleven billion, seven hundred seventy-four million, one hundred seventy-five thousand, one hundred forty-five".