11885011 has 4 divisors (see below), whose sum is σ = 11897800. Its totient is φ = 11872224.

The previous prime is 11885009. The next prime is 11885017. The reversal of 11885011 is 11058811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11058811 = 367 ⋅30133.

It is a cyclic number.

It is not a de Polignac number, because 11885011 - 2¹ = 11885009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11885017) 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, 4881 + ... + 6898.

It is an arithmetic number, because the mean of its divisors is an integer number (2974450).

Almost surely, 2^11885011 is an apocalyptic number.

11885011 is a deficient number, since it is larger than the sum of its proper divisors (12789).

11885011 is a wasteful number, since it uses less digits than its factorization.

11885011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12788.

The product of its (nonzero) digits is 320, while the sum is 25.

The square root of 11885011 is about 3447.4644305634. The cubic root of 11885011 is about 228.2092249454.

The spelling of 11885011 in words is "eleven million, eight hundred eighty-five thousand, eleven".