126016867554745 has 16 divisors (see below), whose sum is σ = 160118018453520. Its totient is φ = 94881825347584.

The previous prime is 126016867554713. The next prime is 126016867554751. The reversal of 126016867554745 is 547455768610621.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 8616262010409 + 117400605544336 = 2935347^2 + 10835156^2 .

It is a cyclic number.

It is not a de Polignac number, because 126016867554745 - 2⁵ = 126016867554713 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5870650 + ... + 16926259.

It is an arithmetic number, because the mean of its divisors is an integer number (10007376153345).

Almost surely, 2^{126016867554745} is an apocalyptic number.

It is an amenable number.

126016867554745 is a deficient number, since it is larger than the sum of its proper divisors (34101150898775).

126016867554745 is a wasteful number, since it uses less digits than its factorization.

126016867554745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22861964.

The product of its (nonzero) digits is 338688000, while the sum is 67.

The spelling of 126016867554745 in words is "one hundred twenty-six trillion, sixteen billion, eight hundred sixty-seven million, five hundred fifty-four thousand, seven hundred forty-five".