1118833554 has 16 divisors (see below), whose sum is σ = 2238003648. Its totient is φ = 372888432.

The previous prime is 1118833553. The next prime is 1118833559. The reversal of 1118833554 is 4553388111.

It is not an unprimeable number, because it can be changed into a prime (1118833553) 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, 56419 + ... + 73625.

It is an arithmetic number, because the mean of its divisors is an integer number (139875228).

Almost surely, 2^1118833554 is an apocalyptic number.

1118833554 is an abundant number, since it is smaller than the sum of its proper divisors (1119170094).

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

1118833554 is a wasteful number, since it uses less digits than its factorization.

1118833554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28049.

The product of its digits is 57600, while the sum is 39.

The square root of 1118833554 is about 33448.9694011639. The cubic root of 1118833554 is about 1038.1381734751.

The spelling of 1118833554 in words is "one billion, one hundred eighteen million, eight hundred thirty-three thousand, five hundred fifty-four".