117517051751 has 8 divisors (see below), whose sum is σ = 128253888000. Its totient is φ = 106789126840.

The previous prime is 117517051727. The next prime is 117517051777. The reversal of 117517051751 is 157150715711.

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

It is a de Polignac number, because none of the positive numbers 2^k-117517051751 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 117517051699 and 117517051708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117517050751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2200241 + ... + 2253018.

It is an arithmetic number, because the mean of its divisors is an integer number (16031736000).

Almost surely, 2^117517051751 is an apocalyptic number.

117517051751 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

117517051751 is a deficient number, since it is larger than the sum of its proper divisors (10736836249).

117517051751 is a wasteful number, since it uses less digits than its factorization.

117517051751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4455669.

The product of its (nonzero) digits is 42875, while the sum is 41.

The spelling of 117517051751 in words is "one hundred seventeen billion, five hundred seventeen million, fifty-one thousand, seven hundred fifty-one".