126601055656 has 32 divisors (see below), whose sum is σ = 237903494400. Its totient is φ = 63160231680.

The previous prime is 126601055573. The next prime is 126601055681. The reversal of 126601055656 is 656550106621.

126601055656 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 12415296 + ... + 12425488.

It is an arithmetic number, because the mean of its divisors is an integer number (7434484200).

Almost surely, 2^126601055656 is an apocalyptic number.

It is an amenable number.

126601055656 is a deficient number, since it is larger than the sum of its proper divisors (111302438744).

126601055656 is a wasteful number, since it uses less digits than its factorization.

126601055656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13489 (or 13485 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 43.

The spelling of 126601055656 in words is "one hundred twenty-six billion, six hundred one million, fifty-five thousand, six hundred fifty-six".