115520438250 has 896 divisors, whose sum is σ = 402278842368. Its totient is φ = 24249456000.

The previous prime is 115520438221. The next prime is 115520438251. The reversal of 115520438250 is 52834025511.

115520438250 is a `hidden beast` number, since 1 + 1 + 5 + 520 + 4 + 3 + 82 + 50 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115520438251) by changing a digit.

It is a polite number, since it can be written in 447 ways as a sum of consecutive naturals, for example, 909609687 + ... + 909609813.

Almost surely, 2^115520438250 is an apocalyptic number.

115520438250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 115520438250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201139421184).

115520438250 is an abundant number, since it is smaller than the sum of its proper divisors (286758404118).

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

115520438250 is a wasteful number, since it uses less digits than its factorization.

115520438250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223 (or 198 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The spelling of 115520438250 in words is "one hundred fifteen billion, five hundred twenty million, four hundred thirty-eight thousand, two hundred fifty".