11825771 has 8 divisors (see below), whose sum is σ = 12526080. Its totient is φ = 11133288.

The previous prime is 11825767. The next prime is 11825791. The reversal of 11825771 is 17752811.

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

It is a cyclic number.

It is not a de Polignac number, because 11825771 - 2² = 11825767 is a prime.

It is a super-3 number, since 3×11825771³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11825741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1310 + ... + 5036.

It is an arithmetic number, because the mean of its divisors is an integer number (1565760).

Almost surely, 2^11825771 is an apocalyptic number.

11825771 is a deficient number, since it is larger than the sum of its proper divisors (700309).

11825771 is a wasteful number, since it uses less digits than its factorization.

11825771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3913.

The product of its digits is 3920, while the sum is 32.

The square root of 11825771 is about 3438.8618756792. The cubic root of 11825771 is about 227.8294289547.

The spelling of 11825771 in words is "eleven million, eight hundred twenty-five thousand, seven hundred seventy-one".