118478337455 has 8 divisors (see below), whose sum is σ = 142273644912. Its totient is φ = 94716243328.

The previous prime is 118478337421. The next prime is 118478337469. The reversal of 118478337455 is 554733874811.

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

It is a cyclic number.

It is not a de Polignac number, because 118478337455 - 2⁶ = 118478337391 is a prime.

It is a super-2 number, since 2×118478337455² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 118478337455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8295482 + ... + 8309751.

It is an arithmetic number, because the mean of its divisors is an integer number (17784205614).

Almost surely, 2^118478337455 is an apocalyptic number.

118478337455 is a deficient number, since it is larger than the sum of its proper divisors (23795307457).

118478337455 is a wasteful number, since it uses less digits than its factorization.

118478337455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16606665.

The product of its digits is 11289600, while the sum is 56.

The spelling of 118478337455 in words is "one hundred eighteen billion, four hundred seventy-eight million, three hundred thirty-seven thousand, four hundred fifty-five".