126544345765 has 16 divisors (see below), whose sum is σ = 161593747200. Its totient is φ = 94801639680.

The previous prime is 126544345757. The next prime is 126544345777. The reversal of 126544345765 is 567543445621.

It is not a de Polignac number, because 126544345765 - 2³ = 126544345757 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3723681 + ... + 3757510.

It is an arithmetic number, because the mean of its divisors is an integer number (10099609200).

Almost surely, 2^126544345765 is an apocalyptic number.

It is an amenable number.

126544345765 is a deficient number, since it is larger than the sum of its proper divisors (35049401435).

126544345765 is a wasteful number, since it uses less digits than its factorization.

126544345765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7481412.

The product of its digits is 12096000, while the sum is 52.

The spelling of 126544345765 in words is "one hundred twenty-six billion, five hundred forty-four million, three hundred forty-five thousand, seven hundred sixty-five".