43206126051 has 16 divisors (see below), whose sum is σ = 63783266688. Its totient is φ = 25794700800.

The previous prime is 43206126049. The next prime is 43206126079. The reversal of 43206126051 is 15062160234.

It is not a de Polignac number, because 43206126051 - 2¹ = 43206126049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43206126011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9768510 + ... + 9772931.

It is an arithmetic number, because the mean of its divisors is an integer number (3986454168).

Almost surely, 2^43206126051 is an apocalyptic number.

43206126051 is a deficient number, since it is larger than the sum of its proper divisors (20577140637).

43206126051 is a wasteful number, since it uses less digits than its factorization.

43206126051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19541522.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 43206126051 its reverse (15062160234), we get a palindrome (58268286285).

The spelling of 43206126051 in words is "forty-three billion, two hundred six million, one hundred twenty-six thousand, fifty-one".