11531419 has 2 divisors, whose sum is σ = 11531420. Its totient is φ = 11531418.

The previous prime is 11531413. The next prime is 11531431. The reversal of 11531419 is 91413511.

11531419 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11531419 - 2⁹ = 11530907 is a prime.

It is a super-2 number, since 2×11531419² = 265947248307122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11531393 and 11531402.

It is not a weakly prime, because it can be changed into another prime (11531413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5765709 + 5765710.

It is an arithmetic number, because the mean of its divisors is an integer number (5765710).

Almost surely, 2^11531419 is an apocalyptic number.

11531419 is a deficient number, since it is larger than the sum of its proper divisors (1).

11531419 is an equidigital number, since it uses as much as digits as its factorization.

11531419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 540, while the sum is 25.

The square root of 11531419 is about 3395.7943106142. The cubic root of 11531419 is about 225.9232451389.

The spelling of 11531419 in words is "eleven million, five hundred thirty-one thousand, four hundred nineteen".