1158223659264 has 243 divisors, whose sum is σ = 3885872944863. Its totient is φ = 330817729536.

The previous prime is 1158223659251. The next prime is 1158223659287. The reversal of 1158223659264 is 4629563228511.

The square root of 1158223659264 is 1076208.

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

1158223659264 is a `hidden beast` number, since 1 + 1 + 582 + 2 + 3 + 6 + 59 + 2 + 6 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1158223659264.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 361604287 + ... + 361607489.

Almost surely, 2^{1158223659264} is an apocalyptic number.

1158223659264 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1158223659264 is the 1076208-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1158223659264

1158223659264 is an abundant number, since it is smaller than the sum of its proper divisors (2727649285599).

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

1158223659264 is an frugal number, since it uses more digits than its factorization.

1158223659264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6442 (or 3215 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 54.

The spelling of 1158223659264 in words is "one trillion, one hundred fifty-eight billion, two hundred twenty-three million, six hundred fifty-nine thousand, two hundred sixty-four".