1717511456713 has 96 divisors (see below), whose sum is σ = 2091261011840. Its totient is φ = 1397977989120.

The previous prime is 1717511456693. The next prime is 1717511456753. The reversal of 1717511456713 is 3176541157171.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1717511456713 is a prime.

It is a super-2 number, since 2×1717511456713² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1717511456753) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3966538945 + ... + 3966539377.

Almost surely, 2^{1717511456713} is an apocalyptic number.

1717511456713 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1717511456713 is a deficient number, since it is larger than the sum of its proper divisors (373749555127).

1717511456713 is a wasteful number, since it uses less digits than its factorization.

1717511456713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987 (or 970 counting only the distinct ones).

The product of its digits is 617400, while the sum is 49.

The spelling of 1717511456713 in words is "one trillion, seven hundred seventeen billion, five hundred eleven million, four hundred fifty-six thousand, seven hundred thirteen".