1158021340996 has 27 divisors (see below), whose sum is σ = 2194469200791. Its totient is φ = 534458474784.

The previous prime is 1158021340981. The next prime is 1158021341017. The reversal of 1158021340996 is 6990431208511.

It is a happy number.

The square root of 1158021340996 is 1076114.

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 38521912900 + 1119499428096 = 196270^2 + 1058064^2 .

It is a super-2 number, since 2×1158021340996² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 27958270 + ... + 27999658.

Almost surely, 2^{1158021340996} is an apocalyptic number.

1158021340996 is the 1076114-th square number.

It is an amenable number.

1158021340996 is a deficient number, since it is larger than the sum of its proper divisors (1036447859795).

1158021340996 is an frugal number, since it uses more digits than its factorization.

1158021340996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82808 (or 41404 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 49.

Multiplying 1158021340996 by its sum of digits (49), we get a square (56743045708804 = 7532798²).

The spelling of 1158021340996 in words is "one trillion, one hundred fifty-eight billion, twenty-one million, three hundred forty thousand, nine hundred ninety-six".