551127378342 has 16 divisors (see below), whose sum is σ = 1103738284800. Its totient is φ = 183461871432.

The previous prime is 551127378281. The next prime is 551127378343. The reversal of 551127378342 is 243873721155.

It is a junction number, because it is equal to n+sod(n) for n = 551127378291 and 551127378300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551127378343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61808842 + ... + 61817757.

It is an arithmetic number, because the mean of its divisors is an integer number (68983642800).

Almost surely, 2^551127378342 is an apocalyptic number.

551127378342 is an abundant number, since it is smaller than the sum of its proper divisors (552610906458).

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

551127378342 is a wasteful number, since it uses less digits than its factorization.

551127378342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123627347.

The product of its digits is 1411200, while the sum is 48.

The spelling of 551127378342 in words is "five hundred fifty-one billion, one hundred twenty-seven million, three hundred seventy-eight thousand, three hundred forty-two".