11606161611 has 16 divisors (see below), whose sum is σ = 17021213568. Its totient is φ = 7034034920.

The previous prime is 11606161607. The next prime is 11606161621. The reversal of 11606161611 is 11616160611.

It is not a de Polignac number, because 11606161611 - 2² = 11606161607 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11606161621) 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, 1449321 + ... + 1457306.

It is an arithmetic number, because the mean of its divisors is an integer number (1063825848).

Almost surely, 2^11606161611 is an apocalyptic number.

11606161611 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11606161611 is a deficient number, since it is larger than the sum of its proper divisors (5415051957).

11606161611 is an equidigital number, since it uses as much as digits as its factorization.

11606161611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2906663 (or 2906641 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 30.

The spelling of 11606161611 in words is "eleven billion, six hundred six million, one hundred sixty-one thousand, six hundred eleven".