5641187500 has 168 divisors, whose sum is σ = 13643262864. Its totient is φ = 2028000000.

The previous prime is 5641187491. The next prime is 5641187509. The reversal of 5641187500 is 57811465.

It is an interprime number because it is at equal distance from previous prime (5641187491) and next prime (5641187509).

It is a self number, because there is not a number n which added to its sum of digits gives 5641187500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5641187509) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 43062435 + ... + 43062565.

It is an arithmetic number, because the mean of its divisors is an integer number (81209898).

Almost surely, 2^5641187500 is an apocalyptic number.

5641187500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5641187500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6821631432).

5641187500 is an abundant number, since it is smaller than the sum of its proper divisors (8002075364).

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

5641187500 is a wasteful number, since it uses less digits than its factorization.

5641187500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231 (or 204 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 37.

The square root of 5641187500 is about 75107.8391381352. The cubic root of 5641187500 is about 1780.1510097866.

Adding to 5641187500 its reverse (57811465), we get a palindrome (5698998965).

The spelling of 5641187500 in words is "five billion, six hundred forty-one million, one hundred eighty-seven thousand, five hundred".