1001117785115 has 16 divisors (see below), whose sum is σ = 1420305036480. Its totient is φ = 662809015680.

The previous prime is 1001117785099. The next prime is 1001117785139. The reversal of 1001117785115 is 5115877111001.

It is not a de Polignac number, because 1001117785115 - 2⁴ = 1001117785099 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 493160456 + ... + 493162485.

It is an arithmetic number, because the mean of its divisors is an integer number (88769064780).

Almost surely, 2^{1001117785115} is an apocalyptic number.

1001117785115 is a deficient number, since it is larger than the sum of its proper divisors (419187251365).

1001117785115 is an equidigital number, since it uses as much as digits as its factorization.

1001117785115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986322982.

The product of its (nonzero) digits is 9800, while the sum is 38.

The spelling of 1001117785115 in words is "one trillion, one billion, one hundred seventeen million, seven hundred eighty-five thousand, one hundred fifteen".