11881101 has 4 divisors (see below), whose sum is σ = 15841472. Its totient is φ = 7920732.

The previous prime is 11881057. The next prime is 11881117. The reversal of 11881101 is 10118811.

It is a happy number.

11881101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is not a de Polignac number, because 11881101 - 2¹⁴ = 11864717 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 (11881141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1980181 + ... + 1980186.

It is an arithmetic number, because the mean of its divisors is an integer number (3960368).

Almost surely, 2^11881101 is an apocalyptic number.

It is an amenable number.

11881101 is a deficient number, since it is larger than the sum of its proper divisors (3960371).

11881101 is an equidigital number, since it uses as much as digits as its factorization.

11881101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3960370.

The product of its (nonzero) digits is 64, while the sum is 21.

The square root of 11881101 is about 3446.8973004718. The cubic root of 11881101 is about 228.1841963348.

Adding to 11881101 its reverse (10118811), we get a palindrome (21999912).

It can be divided in two parts, 1188110 and 1, that added together give a triangular number (1188111 = T₁₅₄₁).

The spelling of 11881101 in words is "eleven million, eight hundred eighty-one thousand, one hundred one".