158118830881 has 16 divisors (see below), whose sum is σ = 175067500608. Its totient is φ = 141614049600.

The previous prime is 158118830873. The next prime is 158118830887. The reversal of 158118830881 is 188038811851.

It is a cyclic number.

It is not a de Polignac number, because 158118830881 - 2³ = 158118830873 is a prime.

It is a super-2 number, since 2×158118830881² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (158118830887) 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 15 ways as a sum of consecutive naturals, for example, 158070 + ... + 584143.

It is an arithmetic number, because the mean of its divisors is an integer number (10941718788).

Almost surely, 2^158118830881 is an apocalyptic number.

158118830881 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

158118830881 is a deficient number, since it is larger than the sum of its proper divisors (16948669727).

158118830881 is a wasteful number, since it uses less digits than its factorization.

158118830881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742512.

The product of its (nonzero) digits is 491520, while the sum is 52.

The spelling of 158118830881 in words is "one hundred fifty-eight billion, one hundred eighteen million, eight hundred thirty thousand, eight hundred eighty-one".