1109478915327 has 4 divisors (see below), whose sum is σ = 1479305220440. Its totient is φ = 739652610216.

The previous prime is 1109478915289. The next prime is 1109478915329. The reversal of 1109478915327 is 7235198749011.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1109478915327 - 2³⁰ = 1108405173503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1109478915329) 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, 184913152552 + ... + 184913152557.

It is an arithmetic number, because the mean of its divisors is an integer number (369826305110).

Almost surely, 2^{1109478915327} is an apocalyptic number.

1109478915327 is a deficient number, since it is larger than the sum of its proper divisors (369826305113).

1109478915327 is an equidigital number, since it uses as much as digits as its factorization.

1109478915327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369826305112.

The product of its (nonzero) digits is 3810240, while the sum is 57.

The spelling of 1109478915327 in words is "one trillion, one hundred nine billion, four hundred seventy-eight million, nine hundred fifteen thousand, three hundred twenty-seven".