1118494152 has 96 divisors (see below), whose sum is σ = 3095820000. Its totient is φ = 364704000.

The previous prime is 1118494151. The next prime is 1118494159. The reversal of 1118494152 is 2514948111.

1118494152 is a `hidden beast` number, since 1 + 1 + 18 + 494 + 152 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1118494151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1065724 + ... + 1066772.

It is an arithmetic number, because the mean of its divisors is an integer number (32248125).

Almost surely, 2^1118494152 is an apocalyptic number.

1118494152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1118494152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1547910000).

1118494152 is an abundant number, since it is smaller than the sum of its proper divisors (1977325848).

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

1118494152 is a wasteful number, since it uses less digits than its factorization.

1118494152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371 (or 1364 counting only the distinct ones).

The product of its digits is 11520, while the sum is 36.

The square root of 1118494152 is about 33443.8955864893. The cubic root of 1118494152 is about 1038.0331885988.

The spelling of 1118494152 in words is "one billion, one hundred eighteen million, four hundred ninety-four thousand, one hundred fifty-two".