1199060040256 has 63 divisors (see below), whose sum is σ = 2576738292411. Its totient is φ = 553359765504.

The previous prime is 1199060040223. The next prime is 1199060040263. The reversal of 1199060040256 is 6520400609911.

The square root of 1199060040256 is 1095016.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 3938817600 + 1195121222656 = 62760^2 + 1093216^2 .

It is a Duffinian number.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 113876400 + ... + 113886928.

Almost surely, 2^{1199060040256} is an apocalyptic number.

1199060040256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1199060040256 is the 1095016-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1199060040256

1199060040256 is an abundant number, since it is smaller than the sum of its proper divisors (1377678252155).

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

1199060040256 is an frugal number, since it uses more digits than its factorization.

1199060040256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21096 (or 10544 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 43.

The spelling of 1199060040256 in words is "one trillion, one hundred ninety-nine billion, sixty million, forty thousand, two hundred fifty-six".