10305002216550 has 48 divisors (see below), whose sum is σ = 25562464522560. Its totient is φ = 2747349083040.

The previous prime is 10305002216489. The next prime is 10305002216567. The reversal of 10305002216550 is 5561220050301.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7508892 + ... + 8774591.

It is an arithmetic number, because the mean of its divisors is an integer number (532551344220).

Almost surely, 2^{10305002216550} is an apocalyptic number.

10305002216550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10305002216550 is an abundant number, since it is smaller than the sum of its proper divisors (15257462306010).

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

10305002216550 is a wasteful number, since it uses less digits than its factorization.

10305002216550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16287717 (or 16287712 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

Adding to 10305002216550 its reverse (5561220050301), we get a palindrome (15866222266851).

The spelling of 10305002216550 in words is "ten trillion, three hundred five billion, two million, two hundred sixteen thousand, five hundred fifty".