11948311 has 4 divisors (see below), whose sum is σ = 12126712. Its totient is φ = 11769912.

The previous prime is 11948303. The next prime is 11948317. The reversal of 11948311 is 11384911.

11948311 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.

It is a cyclic number.

It is not a de Polignac number, because 11948311 - 2³ = 11948303 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11948311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11948317) 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, 89100 + ... + 89233.

It is an arithmetic number, because the mean of its divisors is an integer number (3031678).

Almost surely, 2^11948311 is an apocalyptic number.

11948311 is a deficient number, since it is larger than the sum of its proper divisors (178401).

11948311 is an equidigital number, since it uses as much as digits as its factorization.

11948311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178400.

The product of its digits is 864, while the sum is 28.

The square root of 11948311 is about 3456.6328992243. The cubic root of 11948311 is about 228.6136579899.

The spelling of 11948311 in words is "eleven million, nine hundred forty-eight thousand, three hundred eleven".