126678525375 has 32 divisors (see below), whose sum is σ = 210843142848. Its totient is φ = 67545830400.

The previous prime is 126678525367. The next prime is 126678525397. The reversal of 126678525375 is 573525876621.

It is not a de Polignac number, because 126678525375 - 2³ = 126678525367 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1633479 + ... + 1709271.

It is an arithmetic number, because the mean of its divisors is an integer number (6588848214).

Almost surely, 2^126678525375 is an apocalyptic number.

126678525375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

126678525375 is a deficient number, since it is larger than the sum of its proper divisors (84164617473).

126678525375 is an equidigital number, since it uses as much as digits as its factorization.

126678525375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80268 (or 80258 counting only the distinct ones).

The product of its digits is 21168000, while the sum is 57.

The spelling of 126678525375 in words is "one hundred twenty-six billion, six hundred seventy-eight million, five hundred twenty-five thousand, three hundred seventy-five".