5631158384318 has 4 divisors (see below), whose sum is σ = 8446737576480. Its totient is φ = 2815579192158.

The previous prime is 5631158384239. The next prime is 5631158384321. The reversal of 5631158384318 is 8134838511365.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1407789596078 + ... + 1407789596081.

It is an arithmetic number, because the mean of its divisors is an integer number (2111684394120).

Almost surely, 2^{5631158384318} is an apocalyptic number.

5631158384318 is a deficient number, since it is larger than the sum of its proper divisors (2815579192162).

5631158384318 is a wasteful number, since it uses less digits than its factorization.

5631158384318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2815579192161.

The product of its digits is 8294400, while the sum is 56.

The spelling of 5631158384318 in words is "five trillion, six hundred thirty-one billion, one hundred fifty-eight million, three hundred eighty-four thousand, three hundred eighteen".