1081825885 has 16 divisors (see below), whose sum is σ = 1505794176. Its totient is φ = 730749888.

The previous prime is 1081825873. The next prime is 1081825919. The reversal of 1081825885 is 5885281801.

It is a cyclic number.

It is not a de Polignac number, because 1081825885 - 2⁹ = 1081825373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228322 + ... + 233011.

It is an arithmetic number, because the mean of its divisors is an integer number (94112136).

Almost surely, 2^1081825885 is an apocalyptic number.

It is an amenable number.

1081825885 is a deficient number, since it is larger than the sum of its proper divisors (423968291).

1081825885 is an equidigital number, since it uses as much as digits as its factorization.

1081825885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461412.

The product of its (nonzero) digits is 204800, while the sum is 46.

The square root of 1081825885 is about 32891.1216743972. The cubic root of 1081825885 is about 1026.5634312600.

The spelling of 1081825885 in words is "one billion, eighty-one million, eight hundred twenty-five thousand, eight hundred eighty-five".