1105505625 has 40 divisors (see below), whose sum is σ = 2105076160. Its totient is φ = 505368000.

The previous prime is 1105505581. The next prime is 1105505669. The reversal of 1105505625 is 5265055011.

It is an interprime number because it is at equal distance from previous prime (1105505581) and next prime (1105505669).

It is not a de Polignac number, because 1105505625 - 2¹⁰ = 1105504601 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1105505592 and 1105505601.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 28990 + ... + 55239.

It is an arithmetic number, because the mean of its divisors is an integer number (52626904).

Almost surely, 2^1105505625 is an apocalyptic number.

1105505625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1105505625 is a deficient number, since it is larger than the sum of its proper divisors (999570535).

1105505625 is an frugal number, since it uses more digits than its factorization.

1105505625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84259 (or 84244 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 30.

The square root of 1105505625 is about 33249.1447258422. The cubic root of 1105505625 is about 1033.9994765339. Note that the first 3 decimals are identical.

The spelling of 1105505625 in words is "one billion, one hundred five million, five hundred five thousand, six hundred twenty-five".