71316652515 has 32 divisors (see below), whose sum is σ = 118113484800. Its totient is φ = 36716125824.

The previous prime is 71316652507. The next prime is 71316652559. The reversal of 71316652515 is 51525661317.

It is not a de Polignac number, because 71316652515 - 2³ = 71316652507 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 435415 + ... + 576384.

It is an arithmetic number, because the mean of its divisors is an integer number (3691046400).

Almost surely, 2^71316652515 is an apocalyptic number.

71316652515 is a deficient number, since it is larger than the sum of its proper divisors (46796832285).

71316652515 is a wasteful number, since it uses less digits than its factorization.

71316652515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011971.

The product of its digits is 189000, while the sum is 42.

The spelling of 71316652515 in words is "seventy-one billion, three hundred sixteen million, six hundred fifty-two thousand, five hundred fifteen".