1145347216128 has 90 divisors (see below), whose sum is σ = 3415218219644. Its totient is φ = 381782398464.

The previous prime is 1145347216099. The next prime is 1145347216199. The reversal of 1145347216128 is 8216127435411.

1145347216128 is a `hidden beast` number, since 1 + 1 + 4 + 5 + 3 + 4 + 7 + 21 + 612 + 8 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 27596626 + ... + 27638097.

Almost surely, 2^{1145347216128} is an apocalyptic number.

1145347216128 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1145347216128 is an abundant number, since it is smaller than the sum of its proper divisors (2269871003516).

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

1145347216128 is an frugal number, since it uses more digits than its factorization.

1145347216128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55234751 (or 55234728 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The spelling of 1145347216128 in words is "one trillion, one hundred forty-five billion, three hundred forty-seven million, two hundred sixteen thousand, one hundred twenty-eight".