2112125065511 has 4 divisors (see below), whose sum is σ = 2131502359800. Its totient is φ = 2092747771224.

The previous prime is 2112125065483. The next prime is 2112125065529. The reversal of 2112125065511 is 1155605212112.

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

It is a cyclic number.

It is not a de Polignac number, because 2112125065511 - 2²² = 2112120871207 is a prime.

It is a super-2 number, since 2×2112125065511² (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 (2112125025511) 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, 9688646981 + ... + 9688647198.

It is an arithmetic number, because the mean of its divisors is an integer number (532875589950).

Almost surely, 2^{2112125065511} is an apocalyptic number.

2112125065511 is a deficient number, since it is larger than the sum of its proper divisors (19377294289).

2112125065511 is a wasteful number, since it uses less digits than its factorization.

2112125065511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19377294288.

The product of its (nonzero) digits is 6000, while the sum is 32.

The spelling of 2112125065511 in words is "two trillion, one hundred twelve billion, one hundred twenty-five million, sixty-five thousand, five hundred eleven".