43055254117 has 2 divisors, whose sum is σ = 43055254118. Its totient is φ = 43055254116.

The previous prime is 43055254093. The next prime is 43055254157. The reversal of 43055254117 is 71145255034.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42747216516 + 308037601 = 206754^2 + 17551^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43055254117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43055254157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21527627058 + 21527627059.

It is an arithmetic number, because the mean of its divisors is an integer number (21527627059).

Almost surely, 2^43055254117 is an apocalyptic number.

It is an amenable number.

43055254117 is a deficient number, since it is larger than the sum of its proper divisors (1).

43055254117 is an equidigital number, since it uses as much as digits as its factorization.

43055254117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84000, while the sum is 37.

The spelling of 43055254117 in words is "forty-three billion, fifty-five million, two hundred fifty-four thousand, one hundred seventeen".