51122513230333 has 4 divisors (see below), whose sum is σ = 51122785385628. Its totient is φ = 51122241075040.

The previous prime is 51122513230289. The next prime is 51122513230457. The reversal of 51122513230333 is 33303231522115.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 50658564255289 + 463948975044 = 7117483^2 + 681138^2 .

It is a cyclic number.

It is not a de Polignac number, because 51122513230333 - 2⁴¹ = 48923489974781 is a prime.

It is a super-2 number, since 2×51122513230333² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51122513233333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135795688 + ... + 136171633.

It is an arithmetic number, because the mean of its divisors is an integer number (12780696346407).

Almost surely, 2^{51122513230333} is an apocalyptic number.

It is an amenable number.

51122513230333 is a deficient number, since it is larger than the sum of its proper divisors (272155295).

51122513230333 is a wasteful number, since it uses less digits than its factorization.

51122513230333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272155294.

The product of its (nonzero) digits is 48600, while the sum is 34.

Adding to 51122513230333 its reverse (33303231522115), we get a palindrome (84425744752448).

The spelling of 51122513230333 in words is "fifty-one trillion, one hundred twenty-two billion, five hundred thirteen million, two hundred thirty thousand, three hundred thirty-three".