1106985815 has 16 divisors (see below), whose sum is σ = 1440180000. Its totient is φ = 811972992.

The previous prime is 1106985811. The next prime is 1106985823. The reversal of 1106985815 is 5185896011.

It is a cyclic number.

It is not a de Polignac number, because 1106985815 - 2² = 1106985811 is a prime.

It is a super-2 number, since 2×1106985815² = 2450835189222428450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1106985811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47465 + ... + 66834.

It is an arithmetic number, because the mean of its divisors is an integer number (90011250).

Almost surely, 2^1106985815 is an apocalyptic number.

1106985815 is a deficient number, since it is larger than the sum of its proper divisors (333194185).

1106985815 is a wasteful number, since it uses less digits than its factorization.

1106985815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114466.

The product of its (nonzero) digits is 86400, while the sum is 44.

The square root of 1106985815 is about 33271.3963488159. The cubic root of 1106985815 is about 1034.4607535809.

The spelling of 1106985815 in words is "one billion, one hundred six million, nine hundred eighty-five thousand, eight hundred fifteen".