71103811 has 8 divisors (see below), whose sum is σ = 72966080. Its totient is φ = 69251112.

The previous prime is 71103779. The next prime is 71103821. The reversal of 71103811 is 11830117.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 71103811 - 2⁵ = 71103779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71103821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14116 + ... + 18478.

It is an arithmetic number, because the mean of its divisors is an integer number (9120760).

Almost surely, 2^71103811 is an apocalyptic number.

71103811 is a deficient number, since it is larger than the sum of its proper divisors (1862269).

71103811 is a wasteful number, since it uses less digits than its factorization.

71103811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4785.

The product of its (nonzero) digits is 168, while the sum is 22.

The square root of 71103811 is about 8432.3075726636. The cubic root of 71103811 is about 414.2834900113.

Adding to 71103811 its reverse (11830117), we get a palindrome (82933928).

The spelling of 71103811 in words is "seventy-one million, one hundred three thousand, eight hundred eleven".