126501256016 has 20 divisors (see below), whose sum is σ = 248754337632. Its totient is φ = 62306588256.

The previous prime is 126501255971. The next prime is 126501256043. The reversal of 126501256016 is 610652105621.

126501256016 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59001380 + ... + 59003523.

Almost surely, 2^126501256016 is an apocalyptic number.

126501256016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

126501256016 is a deficient number, since it is larger than the sum of its proper divisors (122253081616).

126501256016 is a wasteful number, since it uses less digits than its factorization.

126501256016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118004978 (or 118004972 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

The spelling of 126501256016 in words is "one hundred twenty-six billion, five hundred one million, two hundred fifty-six thousand, sixteen".