1158947288399 has 4 divisors (see below), whose sum is σ = 1159714296720. Its totient is φ = 1158180280080.

The previous prime is 1158947288381. The next prime is 1158947288417. The reversal of 1158947288399 is 9938827498511.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1158947288381) and next prime (1158947288417).

It is a cyclic number.

It is not a de Polignac number, because 1158947288399 - 2²⁸ = 1158678852943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1158947288329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 383501894 + ... + 383504915.

It is an arithmetic number, because the mean of its divisors is an integer number (289928574180).

Almost surely, 2^{1158947288399} is an apocalyptic number.

1158947288399 is a deficient number, since it is larger than the sum of its proper divisors (767008321).

1158947288399 is an equidigital number, since it uses as much as digits as its factorization.

1158947288399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767008320.

The product of its digits is 313528320, while the sum is 74.

The spelling of 1158947288399 in words is "one trillion, one hundred fifty-eight billion, nine hundred forty-seven million, two hundred eighty-eight thousand, three hundred ninety-nine".