43257011117 has 8 divisors (see below), whose sum is σ = 45159173400. Its totient is φ = 41382218304.

The previous prime is 43257011101. The next prime is 43257011131. The reversal of 43257011117 is 71111075234.

It can be written as a sum of positive squares in 4 ways, for example, as 18855134596 + 24401876521 = 137314^2 + 156211^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43257011117 - 2⁴ = 43257011101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43257011417) 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 7 ways as a sum of consecutive naturals, for example, 6839138 + ... + 6845459.

It is an arithmetic number, because the mean of its divisors is an integer number (5644896675).

Almost surely, 2^43257011117 is an apocalyptic number.

It is an amenable number.

43257011117 is a deficient number, since it is larger than the sum of its proper divisors (1902162283).

43257011117 is a wasteful number, since it uses less digits than its factorization.

43257011117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13684735.

The product of its (nonzero) digits is 5880, while the sum is 32.

The spelling of 43257011117 in words is "forty-three billion, two hundred fifty-seven million, eleven thousand, one hundred seventeen".