126556434204052 has 96 divisors (see below), whose sum is σ = 234333083156480. Its totient is φ = 59639376625920.

The previous prime is 126556434204047. The next prime is 126556434204059. The reversal of 126556434204052 is 250402434655621.

It is a junction number, because it is equal to n+sod(n) for n = 126556434203987 and 126556434204005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126556434204059) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36045692977 + ... + 36045696487.

Almost surely, 2^{126556434204052} is an apocalyptic number.

It is an amenable number.

126556434204052 is a deficient number, since it is larger than the sum of its proper divisors (107776648952428).

126556434204052 is a wasteful number, since it uses less digits than its factorization.

126556434204052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6381 (or 6379 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 49.

Adding to 126556434204052 its reverse (250402434655621), we get a palindrome (376958868859673).

The spelling of 126556434204052 in words is "one hundred twenty-six trillion, five hundred fifty-six billion, four hundred thirty-four million, two hundred four thousand, fifty-two".