7255131633750 has 640 divisors, whose sum is σ = 25003550702592. Its totient is φ = 1353957120000.

The previous prime is 7255131633727. The next prime is 7255131633863. The reversal of 7255131633750 is 573361315527.

It is a self number, because there is not a number n which added to its sum of digits gives 7255131633750.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 138862632 + ... + 138914868.

Almost surely, 2^{7255131633750} is an apocalyptic number.

7255131633750 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 7255131633750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12501775351296).

7255131633750 is an abundant number, since it is smaller than the sum of its proper divisors (17748419068842).

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

7255131633750 is a wasteful number, since it uses less digits than its factorization.

7255131633750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52330 (or 52315 counting only the distinct ones).

The product of its (nonzero) digits is 1984500, while the sum is 48.

The spelling of 7255131633750 in words is "seven trillion, two hundred fifty-five billion, one hundred thirty-one million, six hundred thirty-three thousand, seven hundred fifty".