5155812750 has 128 divisors (see below), whose sum is σ = 14087084544. Its totient is φ = 1245600000.

The previous prime is 5155812749. The next prime is 5155812791. The reversal of 5155812750 is 572185515.

It is a happy number.

It is a super-2 number, since 2×5155812750² = 53164810226125125000, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5155812699 and 5155812708.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2861850 + ... + 2863650.

It is an arithmetic number, because the mean of its divisors is an integer number (110055348).

Almost surely, 2^5155812750 is an apocalyptic number.

5155812750 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 5155812750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7043542272).

5155812750 is an abundant number, since it is smaller than the sum of its proper divisors (8931271794).

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

5155812750 is a wasteful number, since it uses less digits than its factorization.

5155812750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2179 (or 2169 counting only the distinct ones).

The product of its (nonzero) digits is 70000, while the sum is 39.

The square root of 5155812750 is about 71803.9883989741. The cubic root of 5155812750 is about 1727.5569724649.

The spelling of 5155812750 in words is "five billion, one hundred fifty-five million, eight hundred twelve thousand, seven hundred fifty".