1158014884321 has 3 divisors (see below), whose sum is σ = 1158015960433. Its totient is φ = 1158013808210.

The previous prime is 1158014884261. The next prime is 1158014884337. The reversal of 1158014884321 is 1234884108511.

The square root of 1158014884321 is 1076111.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a de Polignac number, because none of the positive numbers 2^k-1158014884321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1158014884361) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 538056 + ... + 1614166.

Almost surely, 2^{1158014884321} is an apocalyptic number.

1158014884321 is the 1076111-st square number.

1158014884321 is the 538056-th centered octagonal number.

It is an amenable number.

1158014884321 is a deficient number, since it is larger than the sum of its proper divisors (1076112).

1158014884321 is an frugal number, since it uses more digits than its factorization.

1158014884321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2152222 (or 1076111 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 46.

The spelling of 1158014884321 in words is "one trillion, one hundred fifty-eight billion, fourteen million, eight hundred eighty-four thousand, three hundred twenty-one".