11660061055 has 16 divisors (see below), whose sum is σ = 14148126720. Its totient is φ = 9224174592.

The previous prime is 11660061043. The next prime is 11660061067. The reversal of 11660061055 is 55016006611.

It is an interprime number because it is at equal distance from previous prime (11660061043) and next prime (11660061067).

It is a cyclic number.

It is not a de Polignac number, because 11660061055 - 2¹³ = 11660052863 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 610917 + ... + 629713.

It is an arithmetic number, because the mean of its divisors is an integer number (884257920).

Almost surely, 2^11660061055 is an apocalyptic number.

11660061055 is a deficient number, since it is larger than the sum of its proper divisors (2488065665).

11660061055 is a wasteful number, since it uses less digits than its factorization.

11660061055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20178.

The product of its (nonzero) digits is 5400, while the sum is 31.

Adding to 11660061055 its reverse (55016006611), we get a palindrome (66676067666).

The spelling of 11660061055 in words is "eleven billion, six hundred sixty million, sixty-one thousand, fifty-five".