5071637540665 has 8 divisors (see below), whose sum is σ = 6159289929408. Its totient is φ = 4008426778800.

The previous prime is 5071637540657. The next prime is 5071637540681. The reversal of 5071637540665 is 5660457361705.

5071637540665 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5071637540665 - 2³ = 5071637540657 is a prime.

It is a Duffinian number.

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, 6110406261 + ... + 6110407090.

It is an arithmetic number, because the mean of its divisors is an integer number (769911241176).

Almost surely, 2^{5071637540665} is an apocalyptic number.

It is an amenable number.

5071637540665 is a deficient number, since it is larger than the sum of its proper divisors (1087652388743).

5071637540665 is a wasteful number, since it uses less digits than its factorization.

5071637540665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12220813439.

The product of its (nonzero) digits is 15876000, while the sum is 55.

It can be divided in two parts, 5071 and 637540665, that added together give a palindrome (637545736).

The spelling of 5071637540665 in words is "five trillion, seventy-one billion, six hundred thirty-seven million, five hundred forty thousand, six hundred sixty-five".