1665105011151 has 8 divisors (see below), whose sum is σ = 2250552892080. Its totient is φ = 1094863568832.

The previous prime is 1665105011117. The next prime is 1665105011153. The reversal of 1665105011151 is 1511105015661.

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

It is not a de Polignac number, because 1665105011151 - 2⁷ = 1665105011023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1665105011153) 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, 3801609396 + ... + 3801609833.

It is an arithmetic number, because the mean of its divisors is an integer number (281319111510).

Almost surely, 2^{1665105011151} is an apocalyptic number.

1665105011151 is a deficient number, since it is larger than the sum of its proper divisors (585447880929).

1665105011151 is an equidigital number, since it uses as much as digits as its factorization.

1665105011151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7603219305.

The product of its (nonzero) digits is 4500, while the sum is 33.

The spelling of 1665105011151 in words is "one trillion, six hundred sixty-five billion, one hundred five million, eleven thousand, one hundred fifty-one".