6660055011611 has 8 divisors (see below), whose sum is σ = 6661267286400. Its totient is φ = 6658842864960.

The previous prime is 6660055011587. The next prime is 6660055011661. The reversal of 6660055011611 is 1161105500666.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6660055011611 - 2²² = 6660050817307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6660055011661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192519926 + ... + 192554516.

It is an arithmetic number, because the mean of its divisors is an integer number (832658410800).

Almost surely, 2^{6660055011611} is an apocalyptic number.

6660055011611 is a deficient number, since it is larger than the sum of its proper divisors (1212274789).

6660055011611 is a wasteful number, since it uses less digits than its factorization.

6660055011611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64069.

The product of its (nonzero) digits is 32400, while the sum is 38.

The spelling of 6660055011611 in words is "six trillion, six hundred sixty billion, fifty-five million, eleven thousand, six hundred eleven".