108911445550 has 12 divisors (see below), whose sum is σ = 202575288816. Its totient is φ = 43564578200.

The previous prime is 108911445541. The next prime is 108911445583. The reversal of 108911445550 is 55544119801.

It is a super-2 number, since 2×108911445550² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 108911445497 and 108911445506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1089114406 + ... + 1089114505.

It is an arithmetic number, because the mean of its divisors is an integer number (16881274068).

Almost surely, 2^108911445550 is an apocalyptic number.

108911445550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

108911445550 is a deficient number, since it is larger than the sum of its proper divisors (93663843266).

108911445550 is a wasteful number, since it uses less digits than its factorization.

108911445550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2178228923 (or 2178228918 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 43.

The spelling of 108911445550 in words is "one hundred eight billion, nine hundred eleven million, four hundred forty-five thousand, five hundred fifty".