71093551284 has 240 divisors, whose sum is σ = 225188705280. Its totient is φ = 19125227520.

The previous prime is 71093551271. The next prime is 71093551303. The reversal of 71093551284 is 48215539017.

71093551284 is a `hidden beast` number, since 7 + 1 + 0 + 93 + 551 + 2 + 8 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2587732 + ... + 2615060.

It is an arithmetic number, because the mean of its divisors is an integer number (938286272).

Almost surely, 2^71093551284 is an apocalyptic number.

71093551284 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71093551284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112594352640).

71093551284 is an abundant number, since it is smaller than the sum of its proper divisors (154095153996).

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

71093551284 is a wasteful number, since it uses less digits than its factorization.

71093551284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27420 (or 27409 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The spelling of 71093551284 in words is "seventy-one billion, ninety-three million, five hundred fifty-one thousand, two hundred eighty-four".