43152665851 has 2 divisors, whose sum is σ = 43152665852. Its totient is φ = 43152665850.

The previous prime is 43152665837. The next prime is 43152665861. The reversal of 43152665851 is 15856625134.

43152665851 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43152665851 is a prime.

It is not a weakly prime, because it can be changed into another prime (43152665861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21576332925 + 21576332926.

It is an arithmetic number, because the mean of its divisors is an integer number (21576332926).

Almost surely, 2^43152665851 is an apocalyptic number.

43152665851 is a deficient number, since it is larger than the sum of its proper divisors (1).

43152665851 is an equidigital number, since it uses as much as digits as its factorization.

43152665851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864000, while the sum is 46.

The spelling of 43152665851 in words is "forty-three billion, one hundred fifty-two million, six hundred sixty-five thousand, eight hundred fifty-one".