5131109950 has 36 divisors (see below), whose sum is σ = 9606938688. Its totient is φ = 2038912800.

The previous prime is 5131109947. The next prime is 5131109957. The reversal of 5131109950 is 599011315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5131109957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6999784 + ... + 7000516.

It is an arithmetic number, because the mean of its divisors is an integer number (266859408).

Almost surely, 2^5131109950 is an apocalyptic number.

5131109950 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5131109950 is a deficient number, since it is larger than the sum of its proper divisors (4475828738).

5131109950 is an equidigital number, since it uses as much as digits as its factorization.

5131109950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1669 (or 931 counting only the distinct ones).

The product of its (nonzero) digits is 6075, while the sum is 34.

The square root of 5131109950 is about 71631.7663470614. The cubic root of 5131109950 is about 1724.7935004507.

The spelling of 5131109950 in words is "five billion, one hundred thirty-one million, one hundred nine thousand, nine hundred fifty".