6171385311745 has 32 divisors (see below), whose sum is σ = 7453228566528. Its totient is φ = 4905495822528.

The previous prime is 6171385311697. The next prime is 6171385311779. The reversal of 6171385311745 is 5471135831716.

It is a cyclic number.

It is not a de Polignac number, because 6171385311745 - 2¹¹ = 6171385309697 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6171385311692 and 6171385311701.

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, 1936423042 + ... + 1936426228.

It is an arithmetic number, because the mean of its divisors is an integer number (232913392704).

Almost surely, 2^{6171385311745} is an apocalyptic number.

It is an amenable number.

6171385311745 is a deficient number, since it is larger than the sum of its proper divisors (1281843254783).

6171385311745 is a wasteful number, since it uses less digits than its factorization.

6171385311745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6309.

The product of its digits is 2116800, while the sum is 52.

The spelling of 6171385311745 in words is "six trillion, one hundred seventy-one billion, three hundred eighty-five million, three hundred eleven thousand, seven hundred forty-five".