158382287880881 has 8 divisors (see below), whose sum is σ = 167839935013800. Its totient is φ = 149191053343360.

The previous prime is 158382287880847. The next prime is 158382287880889. The reversal of 158382287880881 is 188088782283851.

It can be written as a sum of positive squares in 4 ways, for example, as 1962016518400 + 156420271362481 = 1400720^2 + 12506809^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 158382287880881 - 2¹⁴ = 158382287864497 is a prime.

It is a super-2 number, since 2×158382287880881² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158382287880889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66603147626 + ... + 66603150003.

It is an arithmetic number, because the mean of its divisors is an integer number (20979991876725).

Almost surely, 2^{158382287880881} is an apocalyptic number.

It is an amenable number.

158382287880881 is a deficient number, since it is larger than the sum of its proper divisors (9457647132919).

158382287880881 is a wasteful number, since it uses less digits than its factorization.

158382287880881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133206297699.

The product of its (nonzero) digits is 880803840, while the sum is 77.

The spelling of 158382287880881 in words is "one hundred fifty-eight trillion, three hundred eighty-two billion, two hundred eighty-seven million, eight hundred eighty thousand, eight hundred eighty-one".