71251248414 has 32 divisors (see below), whose sum is σ = 150070942080. Its totient is φ = 22490147232.

The previous prime is 71251248413. The next prime is 71251248437. The reversal of 71251248414 is 41484215217.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71251248413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111069 + ... + 393495.

It is an arithmetic number, because the mean of its divisors is an integer number (4689716940).

Almost surely, 2^71251248414 is an apocalyptic number.

71251248414 is an abundant number, since it is smaller than the sum of its proper divisors (78819693666).

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

71251248414 is a wasteful number, since it uses less digits than its factorization.

71251248414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284664.

The product of its digits is 71680, while the sum is 39.

The spelling of 71251248414 in words is "seventy-one billion, two hundred fifty-one million, two hundred forty-eight thousand, four hundred fourteen".