71124924380 has 12 divisors (see below), whose sum is σ = 149362341240. Its totient is φ = 28449969744.

The previous prime is 71124924379. The next prime is 71124924383. The reversal of 71124924380 is 8342942117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71124924383) 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, 1778123090 + ... + 1778123129.

It is an arithmetic number, because the mean of its divisors is an integer number (12446861770).

Almost surely, 2^71124924380 is an apocalyptic number.

It is an amenable number.

71124924380 is an abundant number, since it is smaller than the sum of its proper divisors (78237416860).

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

71124924380 is a wasteful number, since it uses less digits than its factorization.

71124924380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3556246228 (or 3556246226 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 41.

The spelling of 71124924380 in words is "seventy-one billion, one hundred twenty-four million, nine hundred twenty-four thousand, three hundred eighty".