126063721344 has 64 divisors (see below), whose sum is σ = 365298295680. Its totient is φ = 38201126400.

The previous prime is 126063721327. The next prime is 126063721379. The reversal of 126063721344 is 443127360621.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14918092 + ... + 14926539.

It is an arithmetic number, because the mean of its divisors is an integer number (5707785870).

Almost surely, 2^126063721344 is an apocalyptic number.

It is an amenable number.

126063721344 is an abundant number, since it is smaller than the sum of its proper divisors (239234574336).

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

126063721344 is a wasteful number, since it uses less digits than its factorization.

126063721344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29844659 (or 29844647 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 39.

The spelling of 126063721344 in words is "one hundred twenty-six billion, sixty-three million, seven hundred twenty-one thousand, three hundred forty-four".