2065111110157 has 16 divisors (see below), whose sum is σ = 2140182000000. Its totient is φ = 1991391764544.

The previous prime is 2065111110143. The next prime is 2065111110163. The reversal of 2065111110157 is 7510111115602.

It is a cyclic number.

It is not a de Polignac number, because 2065111110157 - 2¹⁹ = 2065110585869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2065111110197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15565819 + ... + 15697927.

It is an arithmetic number, because the mean of its divisors is an integer number (133761375000).

Almost surely, 2^{2065111110157} is an apocalyptic number.

It is an amenable number.

2065111110157 is a deficient number, since it is larger than the sum of its proper divisors (75070889843).

2065111110157 is a wasteful number, since it uses less digits than its factorization.

2065111110157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137220.

The product of its (nonzero) digits is 2100, while the sum is 31.

Adding to 2065111110157 its reverse (7510111115602), we get a palindrome (9575222225759).

Subtracting 2065111110157 from its reverse (7510111115602), we obtain a palindrome (5445000005445).

The spelling of 2065111110157 in words is "two trillion, sixty-five billion, one hundred eleven million, one hundred ten thousand, one hundred fifty-seven".