1100500550 has 48 divisors (see below), whose sum is σ = 2165352480. Its totient is φ = 415261440.

The previous prime is 1100500549. The next prime is 1100500561. The reversal of 1100500550 is 550050011.

It is a super-2 number, since 2×1100500550² = 2422202921100605000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77396 + ... + 90504.

It is an arithmetic number, because the mean of its divisors is an integer number (45111510).

Almost surely, 2^1100500550 is an apocalyptic number.

1100500550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1100500550 is a deficient number, since it is larger than the sum of its proper divisors (1064851930).

1100500550 is a wasteful number, since it uses less digits than its factorization.

1100500550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13217 (or 13212 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 17.

The square root of 1100500550 is about 33173.7931204739. The cubic root of 1100500550 is about 1032.4366698371.

Adding to 1100500550 its reverse (550050011), we get a palindrome (1650550561).

The spelling of 1100500550 in words is "one billion, one hundred million, five hundred thousand, five hundred fifty".