1158968514916 has 27 divisors (see below), whose sum is σ = 2039489394411. Its totient is φ = 576275049984.

The previous prime is 1158968514797. The next prime is 1158968515021. The reversal of 1158968514916 is 6194158698511.

The square root of 1158968514916 is 1076554.

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 22834232100 + 1136134282816 = 151110^2 + 1065896^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 415548450 + ... + 415551238.

Almost surely, 2^{1158968514916} is an apocalyptic number.

1158968514916 is the 1076554-th square number.

It is an amenable number.

1158968514916 is a deficient number, since it is larger than the sum of its proper divisors (880520879495).

1158968514916 is an frugal number, since it uses more digits than its factorization.

1158968514916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5968 (or 2984 counting only the distinct ones).

The product of its digits is 18662400, while the sum is 64.

Multiplying 1158968514916 by its sum of digits (64), we get a square (74173984954624 = 8612432²).

The spelling of 1158968514916 in words is "one trillion, one hundred fifty-eight billion, nine hundred sixty-eight million, five hundred fourteen thousand, nine hundred sixteen".