5131288000 has 56 divisors (see below), whose sum is σ = 12707654544. Its totient is φ = 2052512000.

The previous prime is 5131287977. The next prime is 5131288003. The reversal of 5131288000 is 8821315.

It is a self number, because there is not a number n which added to its sum of digits gives 5131288000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5131288003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312706 + ... + 328705.

Almost surely, 2^5131288000 is an apocalyptic number.

5131288000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5131288000 is an abundant number, since it is smaller than the sum of its proper divisors (7576366544).

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

5131288000 is an equidigital number, since it uses as much as digits as its factorization.

5131288000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641438 (or 641418 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 5131288000 is about 71633.0091508098. The cubic root of 5131288000 is about 1724.8134503858.

The spelling of 5131288000 in words is "five billion, one hundred thirty-one million, two hundred eighty-eight thousand".