71268111 has 12 divisors (see below), whose sum is σ = 103147200. Its totient is φ = 47417760.

The previous prime is 71268103. The next prime is 71268133. The reversal of 71268111 is 11186217.

It is not a de Polignac number, because 71268111 - 2³ = 71268103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71268151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2911 + ... + 12288.

It is an arithmetic number, because the mean of its divisors is an integer number (8595600).

Almost surely, 2^71268111 is an apocalyptic number.

71268111 is a deficient number, since it is larger than the sum of its proper divisors (31879089).

71268111 is a wasteful number, since it uses less digits than its factorization.

71268111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15726 (or 15723 counting only the distinct ones).

The product of its digits is 672, while the sum is 27.

The square root of 71268111 is about 8442.0442429544. The cubic root of 71268111 is about 414.6023403242.

The spelling of 71268111 in words is "seventy-one million, two hundred sixty-eight thousand, one hundred eleven".