11153973 has 8 divisors (see below), whose sum is σ = 15016768. Its totient is φ = 7363584.

The previous prime is 11153971. The next prime is 11153981. The reversal of 11153973 is 37935111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11153973 - 2¹ = 11153971 is a prime.

It is a super-3 number, since 3×11153973³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11153973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11153971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17740 + ... + 18357.

It is an arithmetic number, because the mean of its divisors is an integer number (1877096).

Almost surely, 2^11153973 is an apocalyptic number.

It is an amenable number.

11153973 is a deficient number, since it is larger than the sum of its proper divisors (3862795).

11153973 is a wasteful number, since it uses less digits than its factorization.

11153973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36203.

The product of its digits is 2835, while the sum is 30.

The square root of 11153973 is about 3339.7564282444. The cubic root of 11153973 is about 223.4308801371.

The spelling of 11153973 in words is "eleven million, one hundred fifty-three thousand, nine hundred seventy-three".