126407927915745 has 64 divisors (see below), whose sum is σ = 231764959494144. Its totient is φ = 57631805763840.

The previous prime is 126407927915719. The next prime is 126407927915779. The reversal of 126407927915745 is 547519729704621.

It is not a de Polignac number, because 126407927915745 - 2¹⁰ = 126407927914721 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 126407927915745.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 146462944 + ... + 147323486.

It is an arithmetic number, because the mean of its divisors is an integer number (3621327492096).

Almost surely, 2^{126407927915745} is an apocalyptic number.

126407927915745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

126407927915745 is a deficient number, since it is larger than the sum of its proper divisors (105357031578399).

126407927915745 is a wasteful number, since it uses less digits than its factorization.

126407927915745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864302.

The product of its (nonzero) digits is 266716800, while the sum is 69.

The spelling of 126407927915745 in words is "one hundred twenty-six trillion, four hundred seven billion, nine hundred twenty-seven million, nine hundred fifteen thousand, seven hundred forty-five".