1081153318 has 32 divisors (see below), whose sum is σ = 2047762944. Its totient is φ = 417132672.

The previous prime is 1081153309. The next prime is 1081153351. The reversal of 1081153318 is 8133511801.

It is a self number, because there is not a number n which added to its sum of digits gives 1081153318.

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, 93280 + ... + 104227.

It is an arithmetic number, because the mean of its divisors is an integer number (63992592).

Almost surely, 2^1081153318 is an apocalyptic number.

1081153318 is a deficient number, since it is larger than the sum of its proper divisors (966609626).

1081153318 is a wasteful number, since it uses less digits than its factorization.

1081153318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197556.

The product of its (nonzero) digits is 2880, while the sum is 31.

The square root of 1081153318 is about 32880.8959427811. The cubic root of 1081153318 is about 1026.3506503107.

The spelling of 1081153318 in words is "one billion, eighty-one million, one hundred fifty-three thousand, three hundred eighteen".