5631112158 has 32 divisors (see below), whose sum is σ = 12873600000. Its totient is φ = 1608578400.

The previous prime is 5631112153. The next prime is 5631112187. The reversal of 5631112158 is 8512111365.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5631112153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 290968 + ... + 309716.

It is an arithmetic number, because the mean of its divisors is an integer number (402300000).

Almost surely, 2^5631112158 is an apocalyptic number.

5631112158 is an abundant number, since it is smaller than the sum of its proper divisors (7242487842).

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

5631112158 is a wasteful number, since it uses less digits than its factorization.

5631112158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25912.

The product of its digits is 7200, while the sum is 33.

The square root of 5631112158 is about 75040.7366568319. The cubic root of 5631112158 is about 1779.0905759262.

The spelling of 5631112158 in words is "five billion, six hundred thirty-one million, one hundred twelve thousand, one hundred fifty-eight".