43155054422539 has 2 divisors, whose sum is σ = 43155054422540. Its totient is φ = 43155054422538.

The previous prime is 43155054422521. The next prime is 43155054422567. The reversal of 43155054422539 is 93522445055134.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43155054422539 - 2²⁷ = 43154920204811 is a prime.

It is not a weakly prime, because it can be changed into another prime (43155054422639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21577527211269 + 21577527211270.

It is an arithmetic number, because the mean of its divisors is an integer number (21577527211270).

Almost surely, 2^{43155054422539} is an apocalyptic number.

43155054422539 is a deficient number, since it is larger than the sum of its proper divisors (1).

43155054422539 is an equidigital number, since it uses as much as digits as its factorization.

43155054422539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960000, while the sum is 52.

The spelling of 43155054422539 in words is "forty-three trillion, one hundred fifty-five billion, fifty-four million, four hundred twenty-two thousand, five hundred thirty-nine".