1158907826727 has 64 divisors (see below), whose sum is σ = 2084363043840. Its totient is φ = 621247408128.

The previous prime is 1158907826719. The next prime is 1158907826749. The reversal of 1158907826727 is 7276287098511.

1158907826727 is a `hidden beast` number, since 1 + 1 + 589 + 0 + 7 + 8 + 26 + 7 + 27 = 666.

It is not a de Polignac number, because 1158907826727 - 2³ = 1158907826719 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1158907826767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 398943 + ... + 1573839.

It is an arithmetic number, because the mean of its divisors is an integer number (32568172560).

Almost surely, 2^{1158907826727} is an apocalyptic number.

1158907826727 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1158907826727 is a deficient number, since it is larger than the sum of its proper divisors (925455217113).

1158907826727 is a wasteful number, since it uses less digits than its factorization.

1158907826727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175237 (or 1175231 counting only the distinct ones).

The product of its (nonzero) digits is 23708160, while the sum is 63.

The spelling of 1158907826727 in words is "one trillion, one hundred fifty-eight billion, nine hundred seven million, eight hundred twenty-six thousand, seven hundred twenty-seven".