11161506 has 8 divisors (see below), whose sum is σ = 22323024. Its totient is φ = 3720500.

The previous prime is 11161489. The next prime is 11161511. The reversal of 11161506 is 60516111.

11161506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

11161506 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 930120 + ... + 930131.

It is an arithmetic number, because the mean of its divisors is an integer number (2790378).

Almost surely, 2^11161506 is an apocalyptic number.

11161506 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11161506 is a wasteful number, since it uses less digits than its factorization.

11161506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1860256.

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 11161506 is about 3340.8840147482. The cubic root of 11161506 is about 223.4811679301.

Adding to 11161506 its reverse (60516111), we get a palindrome (71677617).

The spelling of 11161506 in words is "eleven million, one hundred sixty-one thousand, five hundred six".