11656522105 has 16 divisors (see below), whose sum is σ = 14217022080. Its totient is φ = 9173098368.

The previous prime is 11656522103. The next prime is 11656522169. The reversal of 11656522105 is 50122565611.

It is a cyclic number.

It is not a de Polignac number, because 11656522105 - 2¹ = 11656522103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11656522103) 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, 96204 + ... + 180466.

It is an arithmetic number, because the mean of its divisors is an integer number (888563880).

Almost surely, 2^11656522105 is an apocalyptic number.

It is an amenable number.

11656522105 is a deficient number, since it is larger than the sum of its proper divisors (2560499975).

11656522105 is an equidigital number, since it uses as much as digits as its factorization.

11656522105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84720.

The product of its (nonzero) digits is 18000, while the sum is 34.

The spelling of 11656522105 in words is "eleven billion, six hundred fifty-six million, five hundred twenty-two thousand, one hundred five".