71411109 has 32 divisors (see below), whose sum is σ = 119970816. Its totient is φ = 36702720.

The previous prime is 71411099. The next prime is 71411129. The reversal of 71411109 is 90111417.

It is not a de Polignac number, because 71411109 - 2¹² = 71407013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71411129) 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 in 31 ways as a sum of consecutive naturals, for example, 20814 + ... + 24000.

It is an arithmetic number, because the mean of its divisors is an integer number (3749088).

Almost surely, 2^71411109 is an apocalyptic number.

It is an amenable number.

71411109 is a deficient number, since it is larger than the sum of its proper divisors (48559707).

71411109 is a wasteful number, since it uses less digits than its factorization.

71411109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3305.

The product of its (nonzero) digits is 252, while the sum is 24.

The square root of 71411109 is about 8450.5093929301. The cubic root of 71411109 is about 414.8794520921.

The spelling of 71411109 in words is "seventy-one million, four hundred eleven thousand, one hundred nine".