5181143198 has 32 divisors (see below), whose sum is σ = 9732925440. Its totient is φ = 2009561760.

The previous prime is 5181143197. The next prime is 5181143249. The reversal of 5181143198 is 8913411815.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5181143197) 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, 41093 + ... + 109776.

It is an arithmetic number, because the mean of its divisors is an integer number (304153920).

Almost surely, 2^5181143198 is an apocalyptic number.

5181143198 is a deficient number, since it is larger than the sum of its proper divisors (4551782242).

5181143198 is a wasteful number, since it uses less digits than its factorization.

5181143198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151112.

The product of its digits is 34560, while the sum is 41.

The square root of 5181143198 is about 71980.1583632601. The cubic root of 5181143198 is about 1730.3815076292.

The spelling of 5181143198 in words is "five billion, one hundred eighty-one million, one hundred forty-three thousand, one hundred ninety-eight".