126375687500 has 42 divisors (see below), whose sum is σ = 276443414604. Its totient is φ = 50550250000.

The previous prime is 126375687491. The next prime is 126375687521. The reversal of 126375687500 is 5786573621.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 948506 + ... + 1073505.

It is an arithmetic number, because the mean of its divisors is an integer number (6581986062).

Almost surely, 2^126375687500 is an apocalyptic number.

126375687500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126375687500 is an abundant number, since it is smaller than the sum of its proper divisors (150067727104).

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

126375687500 is an frugal number, since it uses more digits than its factorization.

126375687500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2022045 (or 2022018 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 50.

The spelling of 126375687500 in words is "one hundred twenty-six billion, three hundred seventy-five million, six hundred eighty-seven thousand, five hundred".