71119552665 has 32 divisors (see below), whose sum is σ = 130908450816. Its totient is φ = 32296478400.

The previous prime is 71119552657. The next prime is 71119552747. The reversal of 71119552665 is 56625591117.

It is not a de Polignac number, because 71119552665 - 2³ = 71119552657 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, 2226957 + ... + 2258666.

It is an arithmetic number, because the mean of its divisors is an integer number (4090889088).

Almost surely, 2^71119552665 is an apocalyptic number.

It is an amenable number.

71119552665 is a deficient number, since it is larger than the sum of its proper divisors (59788898151).

71119552665 is a wasteful number, since it uses less digits than its factorization.

71119552665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4485789.

The product of its digits is 567000, while the sum is 48.

The spelling of 71119552665 in words is "seventy-one billion, one hundred nineteen million, five hundred fifty-two thousand, six hundred sixty-five".