71121112060 has 24 divisors (see below), whose sum is σ = 154504486080. Its totient is φ = 27467463744.

The previous prime is 71121111931. The next prime is 71121112061. The reversal of 71121112060 is 6021112117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71121112061) 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, 61310724 + ... + 61311883.

It is an arithmetic number, because the mean of its divisors is an integer number (6437686920).

Almost surely, 2^71121112060 is an apocalyptic number.

It is an amenable number.

71121112060 is an abundant number, since it is smaller than the sum of its proper divisors (83383374020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71121112060 is a wasteful number, since it uses less digits than its factorization.

71121112060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122622645 (or 122622643 counting only the distinct ones).

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

Adding to 71121112060 its reverse (6021112117), we get a palindrome (77142224177).

The spelling of 71121112060 in words is "seventy-one billion, one hundred twenty-one million, one hundred twelve thousand, sixty".