1382485877805 has 32 divisors (see below), whose sum is σ = 2214289059840. Its totient is φ = 736555659840.

The previous prime is 1382485877783. The next prime is 1382485877819. The reversal of 1382485877805 is 5087785842831.

It is not a de Polignac number, because 1382485877805 - 2⁷ = 1382485877677 is a prime.

It is a super-2 number, since 2×1382485877805² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 64836936 + ... + 64858254.

It is an arithmetic number, because the mean of its divisors is an integer number (69196533120).

Almost surely, 2^{1382485877805} is an apocalyptic number.

1382485877805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1382485877805 is a deficient number, since it is larger than the sum of its proper divisors (831803182035).

1382485877805 is a wasteful number, since it uses less digits than its factorization.

1382485877805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25641.

The product of its (nonzero) digits is 120422400, while the sum is 66.

The spelling of 1382485877805 in words is "one trillion, three hundred eighty-two billion, four hundred eighty-five million, eight hundred seventy-seven thousand, eight hundred five".