1081085533 has 8 divisors (see below), whose sum is σ = 1194295680. Its totient is φ = 970363680.

The previous prime is 1081085527. The next prime is 1081085563. The reversal of 1081085533 is 3355801801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1081085533 - 2⁵ = 1081085501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081085513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 621160 + ... + 622897.

It is an arithmetic number, because the mean of its divisors is an integer number (149286960).

Almost surely, 2^1081085533 is an apocalyptic number.

It is an amenable number.

1081085533 is a deficient number, since it is larger than the sum of its proper divisors (113210147).

1081085533 is a wasteful number, since it uses less digits than its factorization.

1081085533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244147.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 1081085533 is about 32879.8651609157. The cubic root of 1081085533 is about 1026.3292001822.

The spelling of 1081085533 in words is "one billion, eighty-one million, eighty-five thousand, five hundred thirty-three".