126313063543 has 16 divisors (see below), whose sum is σ = 132531904512. Its totient is φ = 120236256000.

The previous prime is 126313063501. The next prime is 126313063573. The reversal of 126313063543 is 345360313621.

It is a cyclic number.

It is not a de Polignac number, because 126313063543 - 2³³ = 117723128951 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 (126313063573) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 882055 + ... + 1015207.

It is an arithmetic number, because the mean of its divisors is an integer number (8283244032).

Almost surely, 2^126313063543 is an apocalyptic number.

126313063543 is a deficient number, since it is larger than the sum of its proper divisors (6218840969).

126313063543 is a wasteful number, since it uses less digits than its factorization.

126313063543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133686.

The product of its (nonzero) digits is 116640, while the sum is 37.

The spelling of 126313063543 in words is "one hundred twenty-six billion, three hundred thirteen million, sixty-three thousand, five hundred forty-three".