147317378855 has 4 divisors (see below), whose sum is σ = 176780854632. Its totient is φ = 117853903080.

The previous prime is 147317378843. The next prime is 147317378881. The reversal of 147317378855 is 558873713741.

147317378855 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 558873713741 = 7 ⋅79839101963.

It is not a de Polignac number, because 147317378855 - 2³⁰ = 146243637031 is a prime.

It is a super-2 number, since 2×147317378855² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 147317378794 and 147317378803.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14731737881 + ... + 14731737890.

It is an arithmetic number, because the mean of its divisors is an integer number (44195213658).

Almost surely, 2^147317378855 is an apocalyptic number.

147317378855 is a deficient number, since it is larger than the sum of its proper divisors (29463475777).

147317378855 is an equidigital number, since it uses as much as digits as its factorization.

147317378855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29463475776.

The product of its digits is 19756800, while the sum is 59.

The spelling of 147317378855 in words is "one hundred forty-seven billion, three hundred seventeen million, three hundred seventy-eight thousand, eight hundred fifty-five".