1109053878 has 8 divisors (see below), whose sum is σ = 2218107768. Its totient is φ = 369684624.

The previous prime is 1109053843. The next prime is 1109053879. The reversal of 1109053878 is 8783509011.

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

1109053878 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1109053879) 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, 92421151 + ... + 92421162.

It is an arithmetic number, because the mean of its divisors is an integer number (277263471).

Almost surely, 2^1109053878 is an apocalyptic number.

1109053878 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1109053878 is a wasteful number, since it uses less digits than its factorization.

1109053878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184842318.

The product of its (nonzero) digits is 60480, while the sum is 42.

The square root of 1109053878 is about 33302.4605397259. The cubic root of 1109053878 is about 1035.1045435718.

The spelling of 1109053878 in words is "one billion, one hundred nine million, fifty-three thousand, eight hundred seventy-eight".