126306443756 has 6 divisors (see below), whose sum is σ = 221036276580. Its totient is φ = 63153221876.

The previous prime is 126306443713. The next prime is 126306443833. The reversal of 126306443756 is 657344603621.

It is a self number, because there is not a number n which added to its sum of digits gives 126306443756.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15788305466 + ... + 15788305473.

It is an arithmetic number, because the mean of its divisors is an integer number (36839379430).

Almost surely, 2^126306443756 is an apocalyptic number.

It is an amenable number.

126306443756 is a deficient number, since it is larger than the sum of its proper divisors (94729832824).

126306443756 is a wasteful number, since it uses less digits than its factorization.

126306443756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31576610943 (or 31576610941 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 47.

The spelling of 126306443756 in words is "one hundred twenty-six billion, three hundred six million, four hundred forty-three thousand, seven hundred fifty-six".