71031243367725 has 12 divisors (see below), whose sum is σ = 117438322368096. Its totient is φ = 37883329796080.

The previous prime is 71031243367723. The next prime is 71031243367729. The reversal of 71031243367725 is 52776334213017.

It is not a de Polignac number, because 71031243367725 - 2¹ = 71031243367723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71031243367723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 473541622377 + ... + 473541622526.

It is an arithmetic number, because the mean of its divisors is an integer number (9786526864008).

Almost surely, 2^{71031243367725} is an apocalyptic number.

71031243367725 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

71031243367725 is a deficient number, since it is larger than the sum of its proper divisors (46407079000371).

71031243367725 is a wasteful number, since it uses less digits than its factorization.

71031243367725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947083244916 (or 947083244911 counting only the distinct ones).

The product of its (nonzero) digits is 4445280, while the sum is 51.

The spelling of 71031243367725 in words is "seventy-one trillion, thirty-one billion, two hundred forty-three million, three hundred sixty-seven thousand, seven hundred twenty-five".