8051121662111 has 8 divisors (see below), whose sum is σ = 8788632565248. Its totient is φ = 7314542551000.

The previous prime is 8051121662039. The next prime is 8051121662209. The reversal of 8051121662111 is 1112661211508.

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 8051121662111 - 2¹⁰ = 8051121661087 is a prime.

It is a super-2 number, since 2×8051121662111² (a number of 27 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 (8051121662411) 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, 232929935 + ... + 232964496.

It is an arithmetic number, because the mean of its divisors is an integer number (1098579070656).

Almost surely, 2^{8051121662111} is an apocalyptic number.

8051121662111 is a deficient number, since it is larger than the sum of its proper divisors (737510903137).

8051121662111 is a wasteful number, since it uses less digits than its factorization.

8051121662111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465896013.

The product of its (nonzero) digits is 5760, while the sum is 35.

Adding to 8051121662111 its reverse (1112661211508), we get a palindrome (9163782873619).

The spelling of 8051121662111 in words is "eight trillion, fifty-one billion, one hundred twenty-one million, six hundred sixty-two thousand, one hundred eleven".