71002142725352 has 32 divisors (see below), whose sum is σ = 133368260901120. Its totient is φ = 35437303640640.

The previous prime is 71002142725247. The next prime is 71002142725361. The reversal of 71002142725352 is 25352724120017.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16747313 + ... + 20554239.

It is an arithmetic number, because the mean of its divisors is an integer number (4167758153160).

Almost surely, 2^{71002142725352} is an apocalyptic number.

It is an amenable number.

71002142725352 is a deficient number, since it is larger than the sum of its proper divisors (62366118175768).

71002142725352 is a wasteful number, since it uses less digits than its factorization.

71002142725352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3811121 (or 3811117 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 41.

Adding to 71002142725352 its reverse (25352724120017), we get a palindrome (96354866845369).

The spelling of 71002142725352 in words is "seventy-one trillion, two billion, one hundred forty-two million, seven hundred twenty-five thousand, three hundred fifty-two".