2665140636111 has 16 divisors (see below), whose sum is σ = 3649650420864. Its totient is φ = 1728697965984.

The previous prime is 2665140636091. The next prime is 2665140636133. The reversal of 2665140636111 is 1116360415662.

2665140636111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2665140636111 - 2¹⁸ = 2665140373967 is a prime.

It is a super-2 number, since 2×2665140636111² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2665140636611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4691140 + ... + 5228486.

It is an arithmetic number, because the mean of its divisors is an integer number (228103151304).

Almost surely, 2^{2665140636111} is an apocalyptic number.

2665140636111 is a deficient number, since it is larger than the sum of its proper divisors (984509784753).

2665140636111 is a wasteful number, since it uses less digits than its factorization.

2665140636111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582070.

The product of its (nonzero) digits is 155520, while the sum is 42.

The spelling of 2665140636111 in words is "two trillion, six hundred sixty-five billion, one hundred forty million, six hundred thirty-six thousand, one hundred eleven".