11127715145 has 4 divisors (see below), whose sum is σ = 13353258180. Its totient is φ = 8902172112.

The previous prime is 11127715129. The next prime is 11127715153. The reversal of 11127715145 is 54151772111.

11127715145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 4099072576 + 7028642569 = 64024^2 + 83837^2 .

It is a cyclic number.

It is not a de Polignac number, because 11127715145 - 2⁴ = 11127715129 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1112771510 + ... + 1112771519.

It is an arithmetic number, because the mean of its divisors is an integer number (3338314545).

Almost surely, 2^11127715145 is an apocalyptic number.

It is an amenable number.

11127715145 is a deficient number, since it is larger than the sum of its proper divisors (2225543035).

11127715145 is an equidigital number, since it uses as much as digits as its factorization.

11127715145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2225543034.

The product of its digits is 9800, while the sum is 35.

The spelling of 11127715145 in words is "eleven billion, one hundred twenty-seven million, seven hundred fifteen thousand, one hundred forty-five".