10305134550 has 192 divisors, whose sum is σ = 29461685760. Its totient is φ = 2646483840.

The previous prime is 10305134509. The next prime is 10305134561. The reversal of 10305134550 is 5543150301.

10305134550 is a `hidden beast` number, since 1 + 0 + 30 + 51 + 34 + 550 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5143849 + ... + 5145851.

It is an arithmetic number, because the mean of its divisors is an integer number (153446280).

Almost surely, 2^10305134550 is an apocalyptic number.

10305134550 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 10305134550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14730842880).

10305134550 is an abundant number, since it is smaller than the sum of its proper divisors (19156551210).

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

10305134550 is a wasteful number, since it uses less digits than its factorization.

10305134550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2164 (or 2153 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

Adding to 10305134550 its reverse (5543150301), we get a palindrome (15848284851).

The spelling of 10305134550 in words is "ten billion, three hundred five million, one hundred thirty-four thousand, five hundred fifty".