126494158543 has 2 divisors, whose sum is σ = 126494158544. Its totient is φ = 126494158542.

The previous prime is 126494158523. The next prime is 126494158579. The reversal of 126494158543 is 345851494621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126494158543 - 2²¹ = 126492061391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126494158523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63247079271 + 63247079272.

It is an arithmetic number, because the mean of its divisors is an integer number (63247079272).

Almost surely, 2^126494158543 is an apocalyptic number.

126494158543 is a deficient number, since it is larger than the sum of its proper divisors (1).

126494158543 is an equidigital number, since it uses as much as digits as its factorization.

126494158543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4147200, while the sum is 52.

The spelling of 126494158543 in words is "one hundred twenty-six billion, four hundred ninety-four million, one hundred fifty-eight thousand, five hundred forty-three".