11141971 has 2 divisors, whose sum is σ = 11141972. Its totient is φ = 11141970.

The previous prime is 11141969. The next prime is 11141981. The reversal of 11141971 is 17914111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11141971 - 2¹ = 11141969 is a prime.

Together with 11141969, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11141981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5570985 + 5570986.

It is an arithmetic number, because the mean of its divisors is an integer number (5570986).

Almost surely, 2^11141971 is an apocalyptic number.

11141971 is a deficient number, since it is larger than the sum of its proper divisors (1).

11141971 is an equidigital number, since it uses as much as digits as its factorization.

11141971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 252, while the sum is 25.

The square root of 11141971 is about 3337.9591069994. The cubic root of 11141971 is about 223.3507119963.

The spelling of 11141971 in words is "eleven million, one hundred forty-one thousand, nine hundred seventy-one".