1145201550500 has 192 divisors, whose sum is σ = 2964673560576. Its totient is φ = 378166320000.

The previous prime is 1145201550463. The next prime is 1145201550533. The reversal of 1145201550500 is 50551025411.

It is a super-3 number, since 3×1145201550500³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22868489 + ... + 22918511.

It is an arithmetic number, because the mean of its divisors is an integer number (15441008128).

Almost surely, 2^{1145201550500} is an apocalyptic number.

1145201550500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1145201550500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1482336780288).

1145201550500 is an abundant number, since it is smaller than the sum of its proper divisors (1819472010076).

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

1145201550500 is a wasteful number, since it uses less digits than its factorization.

1145201550500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50291 (or 50279 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 29.

Adding to 1145201550500 its reverse (50551025411), we get a palindrome (1195752575911).

The spelling of 1145201550500 in words is "one trillion, one hundred forty-five billion, two hundred one million, five hundred fifty thousand, five hundred".