126556450654516 has 6 divisors (see below), whose sum is σ = 221473788645410. Its totient is φ = 63278225327256.

The previous prime is 126556450654493. The next prime is 126556450654549. The reversal of 126556450654516 is 615456054655621.

126556450654516 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 79122981912100 + 47433468742416 = 8895110^2 + 6887196^2 .

It is a congruent number.

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 as a sum of consecutive naturals, namely, 15819556331811 + ... + 15819556331818.

Almost surely, 2^{126556450654516} is an apocalyptic number.

It is an amenable number.

126556450654516 is a deficient number, since it is larger than the sum of its proper divisors (94917337990894).

126556450654516 is a wasteful number, since it uses less digits than its factorization.

126556450654516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31639112663633 (or 31639112663631 counting only the distinct ones).

The product of its (nonzero) digits is 129600000, while the sum is 61.

The spelling of 126556450654516 in words is "one hundred twenty-six trillion, five hundred fifty-six billion, four hundred fifty million, six hundred fifty-four thousand, five hundred sixteen".