126506510938997 has 8 divisors (see below), whose sum is σ = 144579438552000. Its totient is φ = 108433725552864.

The previous prime is 126506510938933. The next prime is 126506510939059. The reversal of 126506510938997 is 799839015605621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 126506510938997 - 2⁶ = 126506510938933 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 126506510938997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126506510938397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33643847 + ... + 37214532.

It is an arithmetic number, because the mean of its divisors is an integer number (18072429819000).

Almost surely, 2^{126506510938997} is an apocalyptic number.

It is an amenable number.

126506510938997 is a deficient number, since it is larger than the sum of its proper divisors (18072927613003).

126506510938997 is an equidigital number, since it uses as much as digits as its factorization.

126506510938997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71113435.

The product of its (nonzero) digits is 220449600, while the sum is 71.

The spelling of 126506510938997 in words is "one hundred twenty-six trillion, five hundred six billion, five hundred ten million, nine hundred thirty-eight thousand, nine hundred ninety-seven".