5252561699250 has 256 divisors, whose sum is σ = 13861036800000. Its totient is φ = 1321150176000.

The previous prime is 5252561699249. The next prime is 5252561699263. The reversal of 5252561699250 is 529961652525.

It is a Harshad number since it is a multiple of its sum of digits (57).

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 127 ways as a sum of consecutive naturals, for example, 4913527716 + ... + 4913528784.

It is an arithmetic number, because the mean of its divisors is an integer number (54144675000).

Almost surely, 2^{5252561699250} is an apocalyptic number.

5252561699250 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 5252561699250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6930518400000).

5252561699250 is an abundant number, since it is smaller than the sum of its proper divisors (8608475100750).

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

5252561699250 is a wasteful number, since it uses less digits than its factorization.

5252561699250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2298 (or 2288 counting only the distinct ones).

The product of its (nonzero) digits is 14580000, while the sum is 57.

The spelling of 5252561699250 in words is "five trillion, two hundred fifty-two billion, five hundred sixty-one million, six hundred ninety-nine thousand, two hundred fifty".