2051530225305 has 32 divisors (see below), whose sum is σ = 3584401960320. Its totient is φ = 993695431680.

The previous prime is 2051530225187. The next prime is 2051530225319. The reversal of 2051530225305 is 5035220351502.

It is not a de Polignac number, because 2051530225305 - 2¹¹ = 2051530223257 is a prime.

It is a super-3 number, since 3×2051530225305³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5994822 + ... + 6327791.

It is an arithmetic number, because the mean of its divisors is an integer number (112012561260).

Almost surely, 2^{2051530225305} is an apocalyptic number.

It is an amenable number.

2051530225305 is a deficient number, since it is larger than the sum of its proper divisors (1532871735015).

2051530225305 is a wasteful number, since it uses less digits than its factorization.

2051530225305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12323641.

The product of its (nonzero) digits is 45000, while the sum is 33.

Adding to 2051530225305 its reverse (5035220351502), we get a palindrome (7086750576807).

The spelling of 2051530225305 in words is "two trillion, fifty-one billion, five hundred thirty million, two hundred twenty-five thousand, three hundred five".