1118015904 has 48 divisors (see below), whose sum is σ = 2937144672. Its totient is φ = 372373248.

The previous prime is 1118015887. The next prime is 1118015909. The reversal of 1118015904 is 4095108111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (1118015909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138442 + ... + 146294.

It is an arithmetic number, because the mean of its divisors is an integer number (61190514).

Almost surely, 2^1118015904 is an apocalyptic number.

It is an amenable number.

1118015904 is an abundant number, since it is smaller than the sum of its proper divisors (1819128768).

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

1118015904 is a wasteful number, since it uses less digits than its factorization.

1118015904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9349 (or 9341 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 30.

The square root of 1118015904 is about 33436.7448176404. The cubic root of 1118015904 is about 1037.8852193945.

The spelling of 1118015904 in words is "one billion, one hundred eighteen million, fifteen thousand, nine hundred four".