11631119 has 4 divisors (see below), whose sum is σ = 11649744. Its totient is φ = 11612496.

The previous prime is 11631101. The next prime is 11631157. The reversal of 11631119 is 91113611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91113611 = 8629 ⋅10559.

It is a cyclic number.

It is not a de Polignac number, because 11631119 - 2¹⁶ = 11565583 is a prime.

It is a super-2 number, since 2×11631119² = 270565858384322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11631094 and 11631103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11631619) 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 3 ways as a sum of consecutive naturals, for example, 8342 + ... + 9635.

It is an arithmetic number, because the mean of its divisors is an integer number (2912436).

Almost surely, 2^11631119 is an apocalyptic number.

11631119 is a deficient number, since it is larger than the sum of its proper divisors (18625).

11631119 is an equidigital number, since it uses as much as digits as its factorization.

11631119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18624.

The product of its digits is 162, while the sum is 23.

The square root of 11631119 is about 3410.4426398930. The cubic root of 11631119 is about 226.5724841799.

The spelling of 11631119 in words is "eleven million, six hundred thirty-one thousand, one hundred nineteen".