1106561550 has 24 divisors (see below), whose sum is σ = 2744273016. Its totient is φ = 295083040.

The previous prime is 1106561543. The next prime is 1106561581. The reversal of 1106561550 is 551656011.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3688389 + ... + 3688688.

It is an arithmetic number, because the mean of its divisors is an integer number (114344709).

Almost surely, 2^1106561550 is an apocalyptic number.

1106561550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1106561550 is an abundant number, since it is smaller than the sum of its proper divisors (1637711466).

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

1106561550 is a wasteful number, since it uses less digits than its factorization.

1106561550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7377092 (or 7377087 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 30.

The square root of 1106561550 is about 33265.0199158215. The cubic root of 1106561550 is about 1034.3285803808.

The spelling of 1106561550 in words is "one billion, one hundred six million, five hundred sixty-one thousand, five hundred fifty".