126774809715792 has 240 divisors, whose sum is σ = 393511314806784. Its totient is φ = 35030598624000.

The previous prime is 126774809715739. The next prime is 126774809715793. The reversal of 126774809715792 is 297517908477621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126774809715793) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 113991367 + ... + 115098137.

Almost surely, 2^{126774809715792} is an apocalyptic number.

126774809715792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126774809715792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196755657403392).

126774809715792 is an abundant number, since it is smaller than the sum of its proper divisors (266736505090992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126774809715792 is a wasteful number, since it uses less digits than its factorization.

126774809715792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108398 (or 1108385 counting only the distinct ones).

The product of its (nonzero) digits is 746807040, while the sum is 75.

The spelling of 126774809715792 in words is "one hundred twenty-six trillion, seven hundred seventy-four billion, eight hundred nine million, seven hundred fifteen thousand, seven hundred ninety-two".