118061684519 has 4 divisors (see below), whose sum is σ = 118785989496. Its totient is φ = 117337379544.

The previous prime is 118061684513. The next prime is 118061684539. The reversal of 118061684519 is 915486160811.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 915486160811 = 2671 ⋅342750341.

It is a cyclic number.

It is not a de Polignac number, because 118061684519 - 2³² = 113766717223 is a prime.

It is a super-2 number, since 2×118061684519² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118061684513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 362152244 + ... + 362152569.

It is an arithmetic number, because the mean of its divisors is an integer number (29696497374).

Almost surely, 2^118061684519 is an apocalyptic number.

118061684519 is a deficient number, since it is larger than the sum of its proper divisors (724304977).

118061684519 is an equidigital number, since it uses as much as digits as its factorization.

118061684519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724304976.

The product of its (nonzero) digits is 414720, while the sum is 50.

The spelling of 118061684519 in words is "one hundred eighteen billion, sixty-one million, six hundred eighty-four thousand, five hundred nineteen".