126250965556 has 24 divisors (see below), whose sum is σ = 221294304000. Its totient is φ = 63024103104.

The previous prime is 126250965497. The next prime is 126250965571. The reversal of 126250965556 is 655569052621.

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, 7160880 + ... + 7178488.

It is an arithmetic number, because the mean of its divisors is an integer number (9220596000).

Almost surely, 2^126250965556 is an apocalyptic number.

It is an amenable number.

126250965556 is a deficient number, since it is larger than the sum of its proper divisors (95043338444).

126250965556 is a wasteful number, since it uses less digits than its factorization.

126250965556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20391 (or 20389 counting only the distinct ones).

The product of its (nonzero) digits is 4860000, while the sum is 52.

The spelling of 126250965556 in words is "one hundred twenty-six billion, two hundred fifty million, nine hundred sixty-five thousand, five hundred fifty-six".