5558071918878 has 48 divisors (see below), whose sum is σ = 12488786069760. Its totient is φ = 1852649280216.

The previous prime is 5558071918859. The next prime is 5558071918879. The reversal of 5558071918878 is 8788191708555.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5558071918879) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 28063563 + ... + 28260921.

It is an arithmetic number, because the mean of its divisors is an integer number (260183043120).

Almost surely, 2^{5558071918878} is an apocalyptic number.

5558071918878 is an abundant number, since it is smaller than the sum of its proper divisors (6930714150882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5558071918878 is a wasteful number, since it uses less digits than its factorization.

5558071918878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255323 (or 255311 counting only the distinct ones).

The product of its (nonzero) digits is 225792000, while the sum is 72.

The spelling of 5558071918878 in words is "five trillion, five hundred fifty-eight billion, seventy-one million, nine hundred eighteen thousand, eight hundred seventy-eight".