1118326845 has 16 divisors (see below), whose sum is σ = 1793794752. Its totient is φ = 594950400.

The previous prime is 1118326831. The next prime is 1118326849. The reversal of 1118326845 is 5486238111.

It is not a de Polignac number, because 1118326845 - 2²² = 1114132541 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1118326849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86947 + ... + 98976.

It is an arithmetic number, because the mean of its divisors is an integer number (112112172).

Almost surely, 2^1118326845 is an apocalyptic number.

1118326845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1118326845 is a deficient number, since it is larger than the sum of its proper divisors (675467907).

1118326845 is a wasteful number, since it uses less digits than its factorization.

1118326845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186332.

The product of its digits is 46080, while the sum is 39.

The square root of 1118326845 is about 33441.3941844535. The cubic root of 1118326845 is about 1037.9814288650.

The spelling of 1118326845 in words is "one billion, one hundred eighteen million, three hundred twenty-six thousand, eight hundred forty-five".