1118919325 has 12 divisors (see below), whose sum is σ = 1435304340. Its totient is φ = 864268160.

The previous prime is 1118919323. The next prime is 1118919337. The reversal of 1118919325 is 5239198111.

It can be written as a sum of positive squares in 6 ways, for example, as 24235929 + 1094683396 = 4923^2 + 33086^2 .

It is not a de Polignac number, because 1118919325 - 2¹ = 1118919323 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1118919323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 770944 + ... + 772393.

It is an arithmetic number, because the mean of its divisors is an integer number (119608695).

Almost surely, 2^1118919325 is an apocalyptic number.

It is an amenable number.

1118919325 is a deficient number, since it is larger than the sum of its proper divisors (316385015).

1118919325 is a wasteful number, since it uses less digits than its factorization.

1118919325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1543376 (or 1543371 counting only the distinct ones).

The product of its digits is 19440, while the sum is 40.

The square root of 1118919325 is about 33450.2514938229. The cubic root of 1118919325 is about 1038.1647010653.

The spelling of 1118919325 in words is "one billion, one hundred eighteen million, nine hundred nineteen thousand, three hundred twenty-five".