126677694257751 has 32 divisors (see below), whose sum is σ = 214587194257408. Its totient is φ = 64663551832320.

The previous prime is 126677694257717. The next prime is 126677694257783. The reversal of 126677694257751 is 157752496776621.

It is not a de Polignac number, because 126677694257751 - 2¹⁹ = 126677693733463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126677694257551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7484198926 + ... + 7484215851.

It is an arithmetic number, because the mean of its divisors is an integer number (6705849820544).

Almost surely, 2^{126677694257751} is an apocalyptic number.

126677694257751 is a deficient number, since it is larger than the sum of its proper divisors (87909499999657).

126677694257751 is a wasteful number, since it uses less digits than its factorization.

126677694257751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14968414831.

The product of its digits is 1867017600, while the sum is 75.

The spelling of 126677694257751 in words is "one hundred twenty-six trillion, six hundred seventy-seven billion, six hundred ninety-four million, two hundred fifty-seven thousand, seven hundred fifty-one".