11571419 has 2 divisors, whose sum is σ = 11571420. Its totient is φ = 11571418.

The previous prime is 11571383. The next prime is 11571433. The reversal of 11571419 is 91417511.

It is a strong prime.

It is an emirp because it is prime and its reverse (91417511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11571419 - 2⁸ = 11571163 is a prime.

It is a super-2 number, since 2×11571419² = 267795475347122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 11571391 and 11571400.

It is not a weakly prime, because it can be changed into another prime (11571619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5785709 + 5785710.

It is an arithmetic number, because the mean of its divisors is an integer number (5785710).

Almost surely, 2^11571419 is an apocalyptic number.

11571419 is a deficient number, since it is larger than the sum of its proper divisors (1).

11571419 is an equidigital number, since it uses as much as digits as its factorization.

11571419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1260, while the sum is 29.

The square root of 11571419 is about 3401.6788502150. The cubic root of 11571419 is about 226.1841699752.

The spelling of 11571419 in words is "eleven million, five hundred seventy-one thousand, four hundred nineteen".