43001126401 has 16 divisors (see below), whose sum is σ = 47354952960. Its totient is φ = 38898645120.

The previous prime is 43001126387. The next prime is 43001126407. The reversal of 43001126401 is 10462110034.

It is a cyclic number.

It is not a de Polignac number, because 43001126401 - 2¹⁵ = 43001093633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43001126407) 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 15 ways as a sum of consecutive naturals, for example, 550626 + ... + 623851.

It is an arithmetic number, because the mean of its divisors is an integer number (2959684560).

Almost surely, 2^43001126401 is an apocalyptic number.

43001126401 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

43001126401 is a deficient number, since it is larger than the sum of its proper divisors (4353826559).

43001126401 is a wasteful number, since it uses less digits than its factorization.

43001126401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174584.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 43001126401 its reverse (10462110034), we get a palindrome (53463236435).

The spelling of 43001126401 in words is "forty-three billion, one million, one hundred twenty-six thousand, four hundred one".