126603515752 has 16 divisors (see below), whose sum is σ = 271293248160. Its totient is φ = 54258649584.

The previous prime is 126603515747. The next prime is 126603515777. The reversal of 126603515752 is 257515306621.

It is a junction number, because it is equal to n+sod(n) for n = 126603515699 and 126603515708.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1130388478 + ... + 1130388589.

It is an arithmetic number, because the mean of its divisors is an integer number (16955828010).

Almost surely, 2^126603515752 is an apocalyptic number.

It is an amenable number.

126603515752 is an abundant number, since it is smaller than the sum of its proper divisors (144689732408).

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

126603515752 is a wasteful number, since it uses less digits than its factorization.

126603515752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2260777080 (or 2260777076 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 43.

The spelling of 126603515752 in words is "one hundred twenty-six billion, six hundred three million, five hundred fifteen thousand, seven hundred fifty-two".