1105545001 has 16 divisors (see below), whose sum is σ = 1271309760. Its totient is φ = 950806080.

The previous prime is 1105544899. The next prime is 1105545011. The reversal of 1105545001 is 1005455011.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1105545001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1105545011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163255 + ... + 169891.

It is an arithmetic number, because the mean of its divisors is an integer number (79456860).

Almost surely, 2^1105545001 is an apocalyptic number.

1105545001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1105545001 is a deficient number, since it is larger than the sum of its proper divisors (165764759).

1105545001 is a wasteful number, since it uses less digits than its factorization.

1105545001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7464.

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 1105545001 is about 33249.7368561016. The cubic root of 1105545001 is about 1034.0117527506.

The spelling of 1105545001 in words is "one billion, one hundred five million, five hundred forty-five thousand, one".