2265143550000 has 240 divisors, whose sum is σ = 7318087174944. Its totient is φ = 603705600000.

The previous prime is 2265143549989. The next prime is 2265143550031. The reversal of 2265143550000 is 553415622.

It is a tau number, because it is divible by the number of its divisors (240).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 401547180 + ... + 401552820.

Almost surely, 2^{2265143550000} is an apocalyptic number.

2265143550000 is a gapful number since it is divisible by the number (20) 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 2265143550000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3659043587472).

2265143550000 is an abundant number, since it is smaller than the sum of its proper divisors (5052943624944).

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

2265143550000 is an equidigital number, since it uses as much as digits as its factorization.

2265143550000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8354 (or 8328 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 2265143550000 its reverse (553415622), we get a palindrome (2265696965622).

The spelling of 2265143550000 in words is "two trillion, two hundred sixty-five billion, one hundred forty-three million, five hundred fifty thousand".