115535223525450 has 144 divisors (see below), whose sum is σ = 291549176622720. Its totient is φ = 30278563395840.

The previous prime is 115535223525413. The next prime is 115535223525451. The reversal of 115535223525450 is 54525322535511.

It is a self number, because there is not a number n which added to its sum of digits gives 115535223525450.

It is not an unprimeable number, because it can be changed into a prime (115535223525451) by changing a digit.

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 71 ways as a sum of consecutive naturals, for example, 1946023366 + ... + 1946082734.

It is an arithmetic number, because the mean of its divisors is an integer number (2024647059880).

Almost surely, 2^{115535223525450} is an apocalyptic number.

115535223525450 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 115535223525450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145774588311360).

115535223525450 is an abundant number, since it is smaller than the sum of its proper divisors (176013953097270).

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

115535223525450 is a wasteful number, since it uses less digits than its factorization.

115535223525450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63229 (or 63165 counting only the distinct ones).

The product of its (nonzero) digits is 4500000, while the sum is 48.

The spelling of 115535223525450 in words is "one hundred fifteen trillion, five hundred thirty-five billion, two hundred twenty-three million, five hundred twenty-five thousand, four hundred fifty".