100505100056 has 16 divisors (see below), whose sum is σ = 188470847400. Its totient is φ = 50246207424.

The previous prime is 100505100037. The next prime is 100505100097. The reversal of 100505100056 is 650001505001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 725141 + ... + 852548.

Almost surely, 2^100505100056 is an apocalyptic number.

It is an amenable number.

100505100056 is a deficient number, since it is larger than the sum of its proper divisors (87965747344).

100505100056 is a wasteful number, since it uses less digits than its factorization.

100505100056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1585658 (or 1585654 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 23.

Adding to 100505100056 its reverse (650001505001), we get a palindrome (750506605057).

The spelling of 100505100056 in words is "one hundred billion, five hundred five million, one hundred thousand, fifty-six".