11681101 has 4 divisors (see below), whose sum is σ = 11740000. Its totient is φ = 11622204.

The previous prime is 11681093. The next prime is 11681129. The reversal of 11681101 is 10118611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10118611 = 1171 ⋅8641.

It is a cyclic number.

It is not a de Polignac number, because 11681101 - 2³ = 11681093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11681191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29151 + ... + 29548.

It is an arithmetic number, because the mean of its divisors is an integer number (2935000).

Almost surely, 2^11681101 is an apocalyptic number.

It is an amenable number.

11681101 is a deficient number, since it is larger than the sum of its proper divisors (58899).

11681101 is an equidigital number, since it uses as much as digits as its factorization.

11681101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58898.

The product of its (nonzero) digits is 48, while the sum is 19.

The square root of 11681101 is about 3417.7625722101. The cubic root of 11681101 is about 226.8965677296.

Adding to 11681101 its reverse (10118611), we get a palindrome (21799712).

The spelling of 11681101 in words is "eleven million, six hundred eighty-one thousand, one hundred one".