126057755671671 has 16 divisors (see below), whose sum is σ = 168100113823200. Its totient is φ = 84026951467008.

The previous prime is 126057755671669. The next prime is 126057755671699. The reversal of 126057755671671 is 176176557750621.

It is a happy number.

It is not a de Polignac number, because 126057755671671 - 2¹ = 126057755671669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126057755671271) 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, 733161805 + ... + 733333721.

It is an arithmetic number, because the mean of its divisors is an integer number (10506257113950).

Almost surely, 2^{126057755671671} is an apocalyptic number.

126057755671671 is a deficient number, since it is larger than the sum of its proper divisors (42042358151529).

126057755671671 is a wasteful number, since it uses less digits than its factorization.

126057755671671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204098.

The product of its (nonzero) digits is 129654000, while the sum is 66.

The spelling of 126057755671671 in words is "one hundred twenty-six trillion, fifty-seven billion, seven hundred fifty-five million, six hundred seventy-one thousand, six hundred seventy-one".