1155418848 has 36 divisors (see below), whose sum is σ = 3285723168. Its totient is φ = 385139520.

The previous prime is 1155418811. The next prime is 1155418871. The reversal of 1155418848 is 8488145511.

1155418848 is a `hidden beast` number, since 1 + 1 + 554 + 18 + 84 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2005648 + ... + 2006223.

It is an arithmetic number, because the mean of its divisors is an integer number (91270088).

Almost surely, 2^1155418848 is an apocalyptic number.

1155418848 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1155418848 is an abundant number, since it is smaller than the sum of its proper divisors (2130304320).

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

1155418848 is a wasteful number, since it uses less digits than its factorization.

1155418848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4011887 (or 4011876 counting only the distinct ones).

The product of its digits is 204800, while the sum is 45.

The square root of 1155418848 is about 33991.4525726689. The cubic root of 1155418848 is about 1049.3325608620.

The spelling of 1155418848 in words is "one billion, one hundred fifty-five million, four hundred eighteen thousand, eight hundred forty-eight".