11284768485 has 48 divisors (see below), whose sum is σ = 19726752240. Its totient is φ = 5967544320.

The previous prime is 11284768457. The next prime is 11284768499. The reversal of 11284768485 is 58486748211.

11284768485 is a `hidden beast` number, since 1 + 12 + 8 + 476 + 84 + 85 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 6034027041 + 5250741444 = 77679^2 + 72462^2 .

It is not a de Polignac number, because 11284768485 - 2¹⁸ = 11284506341 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2646255 + ... + 2650515.

It is an arithmetic number, because the mean of its divisors is an integer number (410974005).

Almost surely, 2^11284768485 is an apocalyptic number.

11284768485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11284768485 is a deficient number, since it is larger than the sum of its proper divisors (8441983755).

11284768485 is a wasteful number, since it uses less digits than its factorization.

11284768485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4758 (or 4755 counting only the distinct ones).

The product of its digits is 3440640, while the sum is 54.

The spelling of 11284768485 in words is "eleven billion, two hundred eighty-four million, seven hundred sixty-eight thousand, four hundred eighty-five".