71113153 has 4 divisors (see below), whose sum is σ = 71233668. Its totient is φ = 70992640.

The previous prime is 71113111. The next prime is 71113183. The reversal of 71113153 is 35131117.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35131117 = 7 ⋅5018731.

It can be written as a sum of positive squares in 2 ways, for example, as 32524209 + 38588944 = 5703^2 + 6212^2 .

It is a cyclic number.

It is not a de Polignac number, because 71113153 - 2²⁵ = 37558721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71113183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59368 + ... + 60553.

It is an arithmetic number, because the mean of its divisors is an integer number (17808417).

Almost surely, 2^71113153 is an apocalyptic number.

It is an amenable number.

71113153 is a deficient number, since it is larger than the sum of its proper divisors (120515).

71113153 is a wasteful number, since it uses less digits than its factorization.

71113153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120514.

The product of its digits is 315, while the sum is 22.

The square root of 71113153 is about 8432.8614953644. The cubic root of 71113153 is about 414.3016328123.

The spelling of 71113153 in words is "seventy-one million, one hundred thirteen thousand, one hundred fifty-three".