1116665101651 has 8 divisors (see below), whose sum is σ = 1219898286000. Its totient is φ = 1013718279840.

The previous prime is 1116665101637. The next prime is 1116665101661. The reversal of 1116665101651 is 1561015666111.

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

It is a cyclic number.

It is not a de Polignac number, because 1116665101651 - 2⁵ = 1116665101619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1116665101661) 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, 71582476 + ... + 71598073.

It is an arithmetic number, because the mean of its divisors is an integer number (152487285750).

Almost surely, 2^{1116665101651} is an apocalyptic number.

1116665101651 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1116665101651 is a deficient number, since it is larger than the sum of its proper divisors (103233184349).

1116665101651 is a wasteful number, since it uses less digits than its factorization.

1116665101651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143181269.

The product of its (nonzero) digits is 32400, while the sum is 40.

The spelling of 1116665101651 in words is "one trillion, one hundred sixteen billion, six hundred sixty-five million, one hundred one thousand, six hundred fifty-one".