116818411817518 has 8 divisors (see below), whose sum is σ = 175246360680600. Its totient is φ = 58402958257320.

The previous prime is 116818411817461. The next prime is 116818411817543. The reversal of 116818411817518 is 815718114818611.

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

It is a super-2 number, since 2×116818411817518² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3123802348 + ... + 3123839743.

It is an arithmetic number, because the mean of its divisors is an integer number (21905795085075).

Almost surely, 2^{116818411817518} is an apocalyptic number.

116818411817518 is a deficient number, since it is larger than the sum of its proper divisors (58427948863082).

116818411817518 is an equidigital number, since it uses as much as digits as its factorization.

116818411817518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6247651442.

The product of its digits is 3440640, while the sum is 61.

The spelling of 116818411817518 in words is "one hundred sixteen trillion, eight hundred eighteen billion, four hundred eleven million, eight hundred seventeen thousand, five hundred eighteen".