100561010050 has 48 divisors (see below), whose sum is σ = 193280914944. Its totient is φ = 38926266000.

The previous prime is 100561010029. The next prime is 100561010057. The reversal of 100561010050 is 50010165001.

It is a super-2 number, since 2×100561010050² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100561010057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1455795 + ... + 1523305.

It is an arithmetic number, because the mean of its divisors is an integer number (4026685728).

Almost surely, 2^100561010050 is an apocalyptic number.

100561010050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100561010050 is a deficient number, since it is larger than the sum of its proper divisors (92719904894).

100561010050 is an frugal number, since it uses more digits than its factorization.

100561010050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67616 (or 67549 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 19.

Adding to 100561010050 its reverse (50010165001), we get a palindrome (150571175051).

The spelling of 100561010050 in words is "one hundred billion, five hundred sixty-one million, ten thousand, fifty".