158656043112 has 128 divisors (see below), whose sum is σ = 459017625600. Its totient is φ = 44761248000.

The previous prime is 158656043107. The next prime is 158656043153. The reversal of 158656043112 is 211340656851.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6418537 + ... + 6443207.

It is an arithmetic number, because the mean of its divisors is an integer number (3586075200).

Almost surely, 2^158656043112 is an apocalyptic number.

158656043112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158656043112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229508812800).

158656043112 is an abundant number, since it is smaller than the sum of its proper divisors (300361582488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

158656043112 is a wasteful number, since it uses less digits than its factorization.

158656043112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25167 (or 25163 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 42.

Adding to 158656043112 its reverse (211340656851), we get a palindrome (369996699963).

The spelling of 158656043112 in words is "one hundred fifty-eight billion, six hundred fifty-six million, forty-three thousand, one hundred twelve".