100505105050650 has 24 divisors (see below), whose sum is σ = 249252660525984. Its totient is φ = 26801361346800.

The previous prime is 100505105050631. The next prime is 100505105050667. The reversal of 100505105050650 is 56050501505001.

It is a super-2 number, since 2×100505105050650² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 335017016686 + ... + 335017016985.

It is an arithmetic number, because the mean of its divisors is an integer number (10385527521916).

Almost surely, 2^{100505105050650} is an apocalyptic number.

100505105050650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100505105050650 is an abundant number, since it is smaller than the sum of its proper divisors (148747555475334).

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

100505105050650 is a wasteful number, since it uses less digits than its factorization.

100505105050650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670034033686 (or 670034033681 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 33.

Adding to 100505105050650 its reverse (56050501505001), we get a palindrome (156555606555651).

The spelling of 100505105050650 in words is "one hundred trillion, five hundred five billion, one hundred five million, fifty thousand, six hundred fifty".