10000505100556 has 6 divisors (see below), whose sum is σ = 17500883925980. Its totient is φ = 5000252550276.

The previous prime is 10000505100511. The next prime is 10000505100557. The reversal of 10000505100556 is 65500150500001.

It is not an unprimeable number, because it can be changed into a prime (10000505100557) by changing a digit.

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, 1250063137566 + ... + 1250063137573.

Almost surely, 2^{10000505100556} is an apocalyptic number.

It is an amenable number.

10000505100556 is a deficient number, since it is larger than the sum of its proper divisors (7500378825424).

10000505100556 is a wasteful number, since it uses less digits than its factorization.

10000505100556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2500126275143 (or 2500126275141 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 28.

Adding to 10000505100556 its reverse (65500150500001), we get a palindrome (75500655600557).

The spelling of 10000505100556 in words is "ten trillion, five hundred five million, one hundred thousand, five hundred fifty-six".