11081973 has 32 divisors (see below), whose sum is σ = 18063360. Its totient is φ = 5906880.

The previous prime is 11081969. The next prime is 11082007. The reversal of 11081973 is 37918011.

11081973 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11081973 - 2² = 11081969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11081973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11081923) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18586 + ... + 19172.

It is an arithmetic number, because the mean of its divisors is an integer number (564480).

Almost surely, 2^11081973 is an apocalyptic number.

It is an amenable number.

11081973 is a deficient number, since it is larger than the sum of its proper divisors (6981387).

11081973 is a wasteful number, since it uses less digits than its factorization.

11081973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657.

The product of its (nonzero) digits is 1512, while the sum is 30.

The square root of 11081973 is about 3328.9597474286. The cubic root of 11081973 is about 222.9490858179.

Adding to 11081973 its reverse (37918011), we get a palindrome (48999984).

It can be divided in two parts, 1108 and 1973, that added together give a triangular number (3081 = T₇₈).

The spelling of 11081973 in words is "eleven million, eighty-one thousand, nine hundred seventy-three".