1105661503 has 8 divisors (see below), whose sum is σ = 1115024400. Its totient is φ = 1096324800.

The previous prime is 1105661489. The next prime is 1105661527. The reversal of 1105661503 is 3051665011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1105661503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105661533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83376 + ... + 95722.

It is an arithmetic number, because the mean of its divisors is an integer number (139378050).

Almost surely, 2^1105661503 is an apocalyptic number.

1105661503 is a deficient number, since it is larger than the sum of its proper divisors (9362897).

1105661503 is a wasteful number, since it uses less digits than its factorization.

1105661503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13097.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 1105661503 is about 33251.4887335891. The cubic root of 1105661503 is about 1034.0480727575.

The spelling of 1105661503 in words is "one billion, one hundred five million, six hundred sixty-one thousand, five hundred three".