126637751796 has 12 divisors (see below), whose sum is σ = 295488087552. Its totient is φ = 42212583928.

The previous prime is 126637751741. The next prime is 126637751803. The reversal of 126637751796 is 697157736621.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5276572980 + ... + 5276573003.

It is an arithmetic number, because the mean of its divisors is an integer number (24624007296).

Almost surely, 2^126637751796 is an apocalyptic number.

It is an amenable number.

126637751796 is an abundant number, since it is smaller than the sum of its proper divisors (168850335756).

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

126637751796 is a wasteful number, since it uses less digits than its factorization.

126637751796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10553145990 (or 10553145988 counting only the distinct ones).

The product of its digits is 20003760, while the sum is 60.

The spelling of 126637751796 in words is "one hundred twenty-six billion, six hundred thirty-seven million, seven hundred fifty-one thousand, seven hundred ninety-six".