11561093 has 4 divisors (see below), whose sum is σ = 11570208. Its totient is φ = 11551980.

The previous prime is 11561089. The next prime is 11561117. The reversal of 11561093 is 39016511.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 39016511 = 239 ⋅163249.

It is a cyclic number.

It is not a de Polignac number, because 11561093 - 2² = 11561089 is a prime.

It is a super-4 number, since 4×11561093⁴ (a number of 29 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11551093) 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, 2273 + ... + 5318.

It is an arithmetic number, because the mean of its divisors is an integer number (2892552).

Almost surely, 2^11561093 is an apocalyptic number.

It is an amenable number.

11561093 is a deficient number, since it is larger than the sum of its proper divisors (9115).

11561093 is an equidigital number, since it uses as much as digits as its factorization.

11561093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9114.

The product of its (nonzero) digits is 810, while the sum is 26.

The square root of 11561093 is about 3400.1607314949. The cubic root of 11561093 is about 226.1168698795.

The spelling of 11561093 in words is "eleven million, five hundred sixty-one thousand, ninety-three".