1128144568320 has 1920 divisors, whose sum is σ = 5276362291200. Its totient is φ = 224227491840.

The previous prime is 1128144568249. The next prime is 1128144568333. The reversal of 1128144568320 is 238654418211.

1128144568320 is a `hidden beast` number, since 1 + 1 + 2 + 81 + 4 + 4 + 568 + 3 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1920).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 49049763829 + ... + 49049763851.

It is an arithmetic number, because the mean of its divisors is an integer number (2748105360).

Almost surely, 2^{1128144568320} is an apocalyptic number.

1128144568320 is a gapful number since it is divisible by the number (10) 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 1128144568320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2638181145600).

1128144568320 is an abundant number, since it is smaller than the sum of its proper divisors (4148217722880).

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

1128144568320 is an frugal number, since it uses more digits than its factorization.

1128144568320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99 (or 51 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The spelling of 1128144568320 in words is "one trillion, one hundred twenty-eight billion, one hundred forty-four million, five hundred sixty-eight thousand, three hundred twenty".