71025012315 has 24 divisors (see below), whose sum is σ = 123936274800. Its totient is φ = 37625774784.

The previous prime is 71025012313. The next prime is 71025012343. The reversal of 71025012315 is 51321052017.

It is not a de Polignac number, because 71025012315 - 2¹ = 71025012313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71025012313) 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 23 ways as a sum of consecutive naturals, for example, 5289717 + ... + 5303126.

It is an arithmetic number, because the mean of its divisors is an integer number (5164011450).

Almost surely, 2^71025012315 is an apocalyptic number.

71025012315 is a deficient number, since it is larger than the sum of its proper divisors (52911262485).

71025012315 is a wasteful number, since it uses less digits than its factorization.

71025012315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10593003 (or 10593000 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The spelling of 71025012315 in words is "seventy-one billion, twenty-five million, twelve thousand, three hundred fifteen".