11616556105 has 32 divisors (see below), whose sum is σ = 17428193280. Its totient is φ = 7221232320.

The previous prime is 11616556103. The next prime is 11616556121. The reversal of 11616556105 is 50165561611.

It is not a de Polignac number, because 11616556105 - 2¹ = 11616556103 is a prime.

It is a super-2 number, since 2×11616556105² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11616556103) 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, 96192 + ... + 180238.

It is an arithmetic number, because the mean of its divisors is an integer number (544631040).

Almost surely, 2^11616556105 is an apocalyptic number.

It is an amenable number.

11616556105 is a deficient number, since it is larger than the sum of its proper divisors (5811637175).

11616556105 is a wasteful number, since it uses less digits than its factorization.

11616556105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84429.

The product of its (nonzero) digits is 27000, while the sum is 37.

The spelling of 11616556105 in words is "eleven billion, six hundred sixteen million, five hundred fifty-six thousand, one hundred five".