43126605601 has 24 divisors (see below), whose sum is σ = 46306553760. Its totient is φ = 40153623552.

The previous prime is 43126605569. The next prime is 43126605659. The reversal of 43126605601 is 10650662134.

It is not a de Polignac number, because 43126605601 - 2⁵ = 43126605569 is a prime.

It is a super-2 number, since 2×43126605601² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43126605661) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24132630 + ... + 24134416.

It is an arithmetic number, because the mean of its divisors is an integer number (1929439740).

Almost surely, 2^43126605601 is an apocalyptic number.

It is an amenable number.

43126605601 is a deficient number, since it is larger than the sum of its proper divisors (3179948159).

43126605601 is a wasteful number, since it uses less digits than its factorization.

43126605601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2673 (or 2656 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 43126605601 in words is "forty-three billion, one hundred twenty-six million, six hundred five thousand, six hundred one".