43112621136 has 160 divisors (see below), whose sum is σ = 122380167168. Its totient is φ = 12998039040.

The previous prime is 43112621113. The next prime is 43112621143. The reversal of 43112621136 is 63112621134.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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, 7395855 + ... + 7401681.

Almost surely, 2^43112621136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43112621136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61190083584).

43112621136 is an abundant number, since it is smaller than the sum of its proper divisors (79267546032).

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

43112621136 is a wasteful number, since it uses less digits than its factorization.

43112621136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6089 (or 6083 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The spelling of 43112621136 in words is "forty-three billion, one hundred twelve million, six hundred twenty-one thousand, one hundred thirty-six".