1118323554 has 32 divisors (see below), whose sum is σ = 2270825280. Its totient is φ = 367119552.

The previous prime is 1118323477. The next prime is 1118323567. The reversal of 1118323554 is 4553238111.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 106032 + ... + 116100.

It is an arithmetic number, because the mean of its divisors is an integer number (70963290).

Almost surely, 2^1118323554 is an apocalyptic number.

1118323554 is an abundant number, since it is smaller than the sum of its proper divisors (1152501726).

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

1118323554 is a wasteful number, since it uses less digits than its factorization.

1118323554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10354.

The product of its digits is 14400, while the sum is 33.

The square root of 1118323554 is about 33441.3449789329. The cubic root of 1118323554 is about 1037.9804106772.

The spelling of 1118323554 in words is "one billion, one hundred eighteen million, three hundred twenty-three thousand, five hundred fifty-four".