1111863085 has 8 divisors (see below), whose sum is σ = 1343835360. Its totient is φ = 883090704.

The previous prime is 1111863047. The next prime is 1111863101. The reversal of 1111863085 is 5803681111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1111863085 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1111863085.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 799207 + ... + 800596.

It is an arithmetic number, because the mean of its divisors is an integer number (167979420).

Almost surely, 2^1111863085 is an apocalyptic number.

It is an amenable number.

1111863085 is a deficient number, since it is larger than the sum of its proper divisors (231972275).

1111863085 is a wasteful number, since it uses less digits than its factorization.

1111863085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1599947.

The product of its (nonzero) digits is 5760, while the sum is 34.

The square root of 1111863085 is about 33344.6110338687. The cubic root of 1111863085 is about 1035.9777717313.

The spelling of 1111863085 in words is "one billion, one hundred eleven million, eight hundred sixty-three thousand, eighty-five".