1105494530625 has 75 divisors (see below), whose sum is σ = 2064053325103. Its totient is φ = 589470912000.

The previous prime is 1105494530603. The next prime is 1105494530627. The reversal of 1105494530625 is 5260354945011.

It is a happy number.

The square root of 1105494530625 is 1051425.

It is a perfect power (a square), and thus also a powerful number.

1105494530625 is a `hidden beast` number, since 1 + 1 + 0 + 5 + 4 + 94 + 530 + 6 + 25 = 666.

It can be written as a sum of positive squares in 7 ways, for example, as 243894736449 + 861599794176 = 493857^2 + 928224^2 .

It is a tau number, because it is divible by the number of its divisors (75).

It is not a de Polignac number, because 1105494530625 - 2¹¹ = 1105494528577 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1105494530627) 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 74 ways as a sum of consecutive naturals, for example, 236568289 + ... + 236572961.

Almost surely, 2^{1105494530625} is an apocalyptic number.

1105494530625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1105494530625 is the 1051425-th square number.

1105494530625 is the 525713-rd centered octagonal number.

It is an amenable number.

1105494530625 is a deficient number, since it is larger than the sum of its proper divisors (958558794478).

1105494530625 is an frugal number, since it uses more digits than its factorization.

1105494530625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9378 (or 4681 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The spelling of 1105494530625 in words is "one trillion, one hundred five billion, four hundred ninety-four million, five hundred thirty thousand, six hundred twenty-five".