1143115935556 has 27 divisors (see below), whose sum is σ = 2327087911869. Its totient is φ = 489900414528.

The previous prime is 1143115935553. The next prime is 1143115935629. The reversal of 1143115935556 is 6555395113411.

The square root of 1143115935556 is 1069166.

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

It can be written as a sum of positive squares in only one way, i.e., 295537925956 + 847578009600 = 543634^2 + 920640^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (1143115935553) by changing a digit.

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, 14930140 + ... + 15006508.

Almost surely, 2^{1143115935556} is an apocalyptic number.

1143115935556 is the 1069166-th square number.

It is an amenable number.

1143115935556 is an abundant number, since it is smaller than the sum of its proper divisors (1183971976313).

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

1143115935556 is an frugal number, since it uses more digits than its factorization.

1143115935556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152756 (or 76378 counting only the distinct ones).

The product of its digits is 1215000, while the sum is 49.

Multiplying 1143115935556 by its sum of digits (49), we get a square (56012680842244 = 7484162²).

1143115935556 divided by its sum of digits (49) gives a square (23328896644 = 152738²).

The spelling of 1143115935556 in words is "one trillion, one hundred forty-three billion, one hundred fifteen million, nine hundred thirty-five thousand, five hundred fifty-six".