2660541511 has 16 divisors (see below), whose sum is σ = 2732464224. Its totient is φ = 2589825024.

The previous prime is 2660541509. The next prime is 2660541523. The reversal of 2660541511 is 1151450662.

It is a cyclic number.

It is not a de Polignac number, because 2660541511 - 2¹ = 2660541509 is a prime.

It is a super-2 number, since 2×2660541511² = 14156962263508326242, which 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 (2660241511) 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, 2229531 + ... + 2230723.

It is an arithmetic number, because the mean of its divisors is an integer number (170779014).

Almost surely, 2^2660541511 is an apocalyptic number.

2660541511 is a deficient number, since it is larger than the sum of its proper divisors (71922713).

2660541511 is a wasteful number, since it uses less digits than its factorization.

2660541511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1650.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 2660541511 is about 51580.4372897322. The cubic root of 2660541511 is about 1385.6599983151.

The spelling of 2660541511 in words is "two billion, six hundred sixty million, five hundred forty-one thousand, five hundred eleven".