1129871206116 has 45 divisors (see below), whose sum is σ = 2953756535961. Its totient is φ = 376617357648.

The previous prime is 1129871206063. The next prime is 1129871206151. The reversal of 1129871206116 is 6116021789211.

The square root of 1129871206116 is 1062954.

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

1129871206116 is a `hidden beast` number, since 1 + 1 + 2 + 9 + 8 + 7 + 1 + 20 + 611 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1129565096100 + 306110016 = 1062810^2 + 17496^2 .

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 14 ways as a sum of consecutive naturals, for example, 19103646 + ... + 19162698.

Almost surely, 2^{1129871206116} is an apocalyptic number.

1129871206116 is the 1062954-th square number.

It is an amenable number.

1129871206116 is an abundant number, since it is smaller than the sum of its proper divisors (1823885329845).

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

1129871206116 is an frugal number, since it uses more digits than its factorization.

1129871206116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118122 (or 59058 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 45.

The spelling of 1129871206116 in words is "one trillion, one hundred twenty-nine billion, eight hundred seventy-one million, two hundred six thousand, one hundred sixteen".