11566662107 has 32 divisors (see below), whose sum is σ = 15683963904. Its totient is φ = 8237232000.

The previous prime is 11566662103. The next prime is 11566662143. The reversal of 11566662107 is 70126666511.

It is a cyclic number.

It is not a de Polignac number, because 11566662107 - 2² = 11566662103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11566662101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43898 + ... + 158304.

It is an arithmetic number, because the mean of its divisors is an integer number (490123872).

Almost surely, 2^11566662107 is an apocalyptic number.

11566662107 is a deficient number, since it is larger than the sum of its proper divisors (4117301797).

11566662107 is a wasteful number, since it uses less digits than its factorization.

11566662107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114539.

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 11566662107 in words is "eleven billion, five hundred sixty-six million, six hundred sixty-two thousand, one hundred seven".