11660006020551 has 16 divisors (see below), whose sum is σ = 17767680367104. Its totient is φ = 6662841028704.

The previous prime is 11660006020517. The next prime is 11660006020687. The reversal of 11660006020551 is 15502060006611.

11660006020551 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 11660006020551 - 2²⁷ = 11659871802823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11660006020511) 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, 9617181 + ... + 10761513.

It is an arithmetic number, because the mean of its divisors is an integer number (1110480022944).

Almost surely, 2^{11660006020551} is an apocalyptic number.

11660006020551 is a deficient number, since it is larger than the sum of its proper divisors (6107674346553).

11660006020551 is a wasteful number, since it uses less digits than its factorization.

11660006020551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1629550.

The product of its (nonzero) digits is 10800, while the sum is 33.

The spelling of 11660006020551 in words is "eleven trillion, six hundred sixty billion, six million, twenty thousand, five hundred fifty-one".