1011100000985 has 8 divisors (see below), whose sum is σ = 1229940823560. Its totient is φ = 797799452544.

The previous prime is 1011100000979. The next prime is 1011100000987. The reversal of 1011100000985 is 5890000011101.

1011100000985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 141213614656 + 869886386329 = 375784^2 + 932677^2 .

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-1011100000985 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1011100000987) 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, 1385068130 + ... + 1385068859.

It is an arithmetic number, because the mean of its divisors is an integer number (153742602945).

Almost surely, 2^{1011100000985} is an apocalyptic number.

It is an amenable number.

1011100000985 is a deficient number, since it is larger than the sum of its proper divisors (218840822575).

1011100000985 is an equidigital number, since it uses as much as digits as its factorization.

1011100000985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2770137067.

The product of its (nonzero) digits is 360, while the sum is 26.

The spelling of 1011100000985 in words is "one trillion, eleven billion, one hundred million, nine hundred eighty-five", and thus it is an aban number.