1082775275985 has 32 divisors (see below), whose sum is σ = 1866072700800. Its totient is φ = 532953566208.

The previous prime is 1082775275983. The next prime is 1082775276019. The reversal of 1082775275985 is 5895725772801.

It is a happy number.

It is not a de Polignac number, because 1082775275985 - 2¹ = 1082775275983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1082775275983) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 449817 + ... + 1538793.

It is an arithmetic number, because the mean of its divisors is an integer number (58314771900).

Almost surely, 2^{1082775275985} is an apocalyptic number.

1082775275985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1082775275985 is a deficient number, since it is larger than the sum of its proper divisors (783297424815).

1082775275985 is a wasteful number, since it uses less digits than its factorization.

1082775275985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094097.

The product of its (nonzero) digits is 98784000, while the sum is 66.

The spelling of 1082775275985 in words is "one trillion, eighty-two billion, seven hundred seventy-five million, two hundred seventy-five thousand, nine hundred eighty-five".