11811950 has 24 divisors (see below), whose sum is σ = 22197240. Its totient is φ = 4676000.

The previous prime is 11811929. The next prime is 11811953. The reversal of 11811950 is 5911811.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11811953) 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 11 ways as a sum of consecutive naturals, for example, 3881 + ... + 6219.

It is an arithmetic number, because the mean of its divisors is an integer number (924885).

Almost surely, 2^11811950 is an apocalyptic number.

11811950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11811950 is a deficient number, since it is larger than the sum of its proper divisors (10385290).

11811950 is a wasteful number, since it uses less digits than its factorization.

11811950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2452 (or 2447 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 26.

The square root of 11811950 is about 3436.8517570591. The cubic root of 11811950 is about 227.7406381820.

The spelling of 11811950 in words is "eleven million, eight hundred eleven thousand, nine hundred fifty".