11551073 has 4 divisors (see below), whose sum is σ = 11566128. Its totient is φ = 11536020.

The previous prime is 11551013. The next prime is 11551081. The reversal of 11551073 is 37015511.

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 a cyclic number.

It is not a de Polignac number, because 11551073 - 2¹⁴ = 11534689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11551013) 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, 6311 + ... + 7932.

It is an arithmetic number, because the mean of its divisors is an integer number (2891532).

Almost surely, 2^11551073 is an apocalyptic number.

It is an amenable number.

11551073 is a deficient number, since it is larger than the sum of its proper divisors (15055).

11551073 is an equidigital number, since it uses as much as digits as its factorization.

11551073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15054.

The product of its (nonzero) digits is 525, while the sum is 23.

The square root of 11551073 is about 3398.6869523391. The cubic root of 11551073 is about 226.0515258297.

Adding to 11551073 its reverse (37015511), we get a palindrome (48566584).

The spelling of 11551073 in words is "eleven million, five hundred fifty-one thousand, seventy-three".