11631085 has 8 divisors (see below), whose sum is σ = 14297976. Its totient is φ = 9077760.

The previous prime is 11631079. The next prime is 11631101. The reversal of 11631085 is 58013611.

It can be written as a sum of positive squares in 4 ways, for example, as 84681 + 11546404 = 291^2 + 3398^2 .

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

It is not a de Polignac number, because 11631085 - 2¹³ = 11622893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28164 + ... + 28573.

It is an arithmetic number, because the mean of its divisors is an integer number (1787247).

Almost surely, 2^11631085 is an apocalyptic number.

It is an amenable number.

11631085 is a deficient number, since it is larger than the sum of its proper divisors (2666891).

11631085 is an equidigital number, since it uses as much as digits as its factorization.

11631085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56783.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 11631085 is about 3410.4376551991. The cubic root of 11631085 is about 226.5722634080.

Adding to 11631085 its reverse (58013611), we get a palindrome (69644696).

The spelling of 11631085 in words is "eleven million, six hundred thirty-one thousand, eighty-five".