100655561050 has 48 divisors (see below), whose sum is σ = 204269506272. Its totient is φ = 36596606400.

The previous prime is 100655561047. The next prime is 100655561059. The reversal of 100655561050 is 50165556001.

It is a junction number, because it is equal to n+sod(n) for n = 100655560997 and 100655561015.

It is not an unprimeable number, because it can be changed into a prime (100655561059) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 7128097 + ... + 7142203.

It is an arithmetic number, because the mean of its divisors is an integer number (4255614714).

Almost surely, 2^100655561050 is an apocalyptic number.

100655561050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100655561050 is an abundant number, since it is smaller than the sum of its proper divisors (103613945222).

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

100655561050 is a wasteful number, since it uses less digits than its factorization.

100655561050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27103 (or 27098 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 34.

The spelling of 100655561050 in words is "one hundred billion, six hundred fifty-five million, five hundred sixty-one thousand, fifty".