71113151 has 8 divisors (see below), whose sum is σ = 71841840. Its totient is φ = 70388352.

The previous prime is 71113111. The next prime is 71113183. The reversal of 71113151 is 15131117.

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 71113151 - 2¹⁸ = 70851007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71113111) 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, 47015 + ... + 48503.

It is an arithmetic number, because the mean of its divisors is an integer number (8980230).

Almost surely, 2^71113151 is an apocalyptic number.

71113151 is a deficient number, since it is larger than the sum of its proper divisors (728689).

71113151 is a wasteful number, since it uses less digits than its factorization.

71113151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1945.

The product of its digits is 105, while the sum is 20.

The square root of 71113151 is about 8432.8613767807. The cubic root of 71113151 is about 414.3016289283.

Adding to 71113151 its reverse (15131117), we get a palindrome (86244268).

The spelling of 71113151 in words is "seventy-one million, one hundred thirteen thousand, one hundred fifty-one".