1194505648128 has 144 divisors (see below), whose sum is σ = 3715333254360. Its totient is φ = 367540125696.

The previous prime is 1194505648067. The next prime is 1194505648129. The reversal of 1194505648128 is 8218465054911.

1194505648128 is a `hidden beast` number, since 1 + 1 + 9 + 4 + 50 + 564 + 8 + 1 + 28 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1194505648129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2252926 + ... + 2732157.

Almost surely, 2^{1194505648128} is an apocalyptic number.

1194505648128 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1194505648128 is an abundant number, since it is smaller than the sum of its proper divisors (2520827606232).

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

1194505648128 is a wasteful number, since it uses less digits than its factorization.

1194505648128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4985124 (or 4985101 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 54.

The spelling of 1194505648128 in words is "one trillion, one hundred ninety-four billion, five hundred five million, six hundred forty-eight thousand, one hundred twenty-eight".