11601606105 has 48 divisors (see below), whose sum is σ = 20868731520. Its totient is φ = 6183226368.

The previous prime is 11601606097. The next prime is 11601606127. The reversal of 11601606105 is 50160610611.

It is not a de Polignac number, because 11601606105 - 2³ = 11601606097 is a prime.

It is a super-3 number, since 3×11601606105³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2565036 + ... + 2569554.

It is an arithmetic number, because the mean of its divisors is an integer number (434765240).

Almost surely, 2^11601606105 is an apocalyptic number.

11601606105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11601606105 is a deficient number, since it is larger than the sum of its proper divisors (9267125415).

11601606105 is an equidigital number, since it uses as much as digits as its factorization.

11601606105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6652 (or 6640 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The spelling of 11601606105 in words is "eleven billion, six hundred one million, six hundred six thousand, one hundred five".