11161560660 has 24 divisors (see below), whose sum is σ = 31252370016. Its totient is φ = 2976416160.

The previous prime is 11161560653. The next prime is 11161560689. The reversal of 11161560660 is 6606516111.

11161560660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93012946 + ... + 93013065.

It is an arithmetic number, because the mean of its divisors is an integer number (1302182084).

Almost surely, 2^11161560660 is an apocalyptic number.

11161560660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11161560660 is an abundant number, since it is smaller than the sum of its proper divisors (20090809356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11161560660 is a wasteful number, since it uses less digits than its factorization.

11161560660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186026023 (or 186026021 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 33.

The spelling of 11161560660 in words is "eleven billion, one hundred sixty-one million, five hundred sixty thousand, six hundred sixty".