1149009148818 has 48 divisors (see below), whose sum is σ = 2505004434816. Its totient is φ = 380627929440.

The previous prime is 1149009148817. The next prime is 1149009148829. The reversal of 1149009148818 is 8188419009411.

1149009148818 is a `hidden beast` number, since 1 + 1 + 490 + 0 + 9 + 148 + 8 + 1 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (1149009148817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1639905 + ... + 2233227.

It is an arithmetic number, because the mean of its divisors is an integer number (52187592392).

Almost surely, 2^{1149009148818} is an apocalyptic number.

1149009148818 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1149009148818 is an abundant number, since it is smaller than the sum of its proper divisors (1355995285998).

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

1149009148818 is a wasteful number, since it uses less digits than its factorization.

1149009148818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593999 (or 593996 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 54.

The spelling of 1149009148818 in words is "one trillion, one hundred forty-nine billion, nine million, one hundred forty-eight thousand, eight hundred eighteen".