10305112421550 has 48 divisors (see below), whose sum is σ = 25557424546032. Its totient is φ = 2747949792000.

The previous prime is 10305112421507. The next prime is 10305112421603. The reversal of 10305112421550 is 5512421150301.

10305112421550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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, 4246650 + ... + 6216450.

It is an arithmetic number, because the mean of its divisors is an integer number (532446344709).

Almost surely, 2^{10305112421550} is an apocalyptic number.

10305112421550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10305112421550 is an abundant number, since it is smaller than the sum of its proper divisors (15252312124482).

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

10305112421550 is a wasteful number, since it uses less digits than its factorization.

10305112421550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2004693 (or 2004688 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 30.

Adding to 10305112421550 its reverse (5512421150301), we get a palindrome (15817533571851).

The spelling of 10305112421550 in words is "ten trillion, three hundred five billion, one hundred twelve million, four hundred twenty-one thousand, five hundred fifty".