1051111666617 has 8 divisors (see below), whose sum is σ = 1424457340800. Its totient is φ = 689253551760.

The previous prime is 1051111666571. The next prime is 1051111666669. The reversal of 1051111666617 is 7166661111501.

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

It is not a de Polignac number, because 1051111666617 - 2⁸ = 1051111666361 is a prime.

It is a super-3 number, since 3×1051111666617³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (1051111666117) by changing a digit.

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, 2871889617 + ... + 2871889982.

It is an arithmetic number, because the mean of its divisors is an integer number (178057167600).

Almost surely, 2^{1051111666617} is an apocalyptic number.

It is an amenable number.

1051111666617 is a deficient number, since it is larger than the sum of its proper divisors (373345674183).

1051111666617 is an equidigital number, since it uses as much as digits as its factorization.

1051111666617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5743779663.

The product of its (nonzero) digits is 45360, while the sum is 42.

The spelling of 1051111666617 in words is "one trillion, fifty-one billion, one hundred eleven million, six hundred sixty-six thousand, six hundred seventeen".