43012011104 has 48 divisors (see below), whose sum is σ = 87028215120. Its totient is φ = 20913984000.

The previous prime is 43012011103. The next prime is 43012011109. The reversal of 43012011104 is 40111021034.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43012011101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246854 + ... + 383354.

It is an arithmetic number, because the mean of its divisors is an integer number (1813087815).

Almost surely, 2^43012011104 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 43012011104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43514107560).

43012011104 is an abundant number, since it is smaller than the sum of its proper divisors (44016204016).

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

43012011104 is a wasteful number, since it uses less digits than its factorization.

43012011104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136783 (or 136775 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 43012011104 its reverse (40111021034), we get a palindrome (83123032138).

The spelling of 43012011104 in words is "forty-three billion, twelve million, eleven thousand, one hundred four".