1005551056115 has 8 divisors (see below), whose sum is σ = 1236092030208. Its totient is φ = 784820336320.

The previous prime is 1005551056093. The next prime is 1005551056171. The reversal of 1005551056115 is 5116501555001.

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

It is not a de Polignac number, because 1005551056115 - 2¹⁸ = 1005550793971 is a prime.

It is a super-2 number, since 2×1005551056115² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2452563347 + ... + 2452563756.

It is an arithmetic number, because the mean of its divisors is an integer number (154511503776).

Almost surely, 2^{1005551056115} is an apocalyptic number.

1005551056115 is a deficient number, since it is larger than the sum of its proper divisors (230540974093).

1005551056115 is an equidigital number, since it uses as much as digits as its factorization.

1005551056115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4905127149.

The product of its (nonzero) digits is 18750, while the sum is 35.

The spelling of 1005551056115 in words is "one trillion, five billion, five hundred fifty-one million, fifty-six thousand, one hundred fifteen".