1016611477117 has 4 divisors (see below), whose sum is σ = 1016613505116. Its totient is φ = 1016609449120.

The previous prime is 1016611477111. The next prime is 1016611477243. The reversal of 1016611477117 is 7117741166101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 683475879076 + 333135598041 = 826726^2 + 577179^2 .

It is a cyclic number.

It is not a de Polignac number, because 1016611477117 - 2³ = 1016611477109 is a prime.

It is a super-2 number, since 2×1016611477117² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1016611477111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345567 + ... + 1467187.

It is an arithmetic number, because the mean of its divisors is an integer number (254153376279).

Almost surely, 2^{1016611477117} is an apocalyptic number.

It is an amenable number.

1016611477117 is a deficient number, since it is larger than the sum of its proper divisors (2027999).

1016611477117 is an equidigital number, since it uses as much as digits as its factorization.

1016611477117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2027998.

The product of its (nonzero) digits is 49392, while the sum is 43.

The spelling of 1016611477117 in words is "one trillion, sixteen billion, six hundred eleven million, four hundred seventy-seven thousand, one hundred seventeen".