1485538775805 has 64 divisors (see below), whose sum is σ = 2758705348608. Its totient is φ = 668612206080.

The previous prime is 1485538775789. The next prime is 1485538775837. The reversal of 1485538775805 is 5085778355841.

It is not a de Polignac number, because 1485538775805 - 2⁴ = 1485538775789 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1321689 + ... + 2172081.

It is an arithmetic number, because the mean of its divisors is an integer number (43104771072).

Almost surely, 2^{1485538775805} is an apocalyptic number.

1485538775805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1485538775805 is a deficient number, since it is larger than the sum of its proper divisors (1273166572803).

1485538775805 is a wasteful number, since it uses less digits than its factorization.

1485538775805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850666.

The product of its (nonzero) digits is 188160000, while the sum is 66.

The spelling of 1485538775805 in words is "one trillion, four hundred eighty-five billion, five hundred thirty-eight million, seven hundred seventy-five thousand, eight hundred five".