51361011230 has 32 divisors (see below), whose sum is σ = 92744287200. Its totient is φ = 20479076352.

The previous prime is 51361011193. The next prime is 51361011239. The reversal of 51361011230 is 3211016315.

It is a super-2 number, since 2×51361011230² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 51361011196 and 51361011205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51361011239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4159706 + ... + 4172034.

It is an arithmetic number, because the mean of its divisors is an integer number (2898258975).

Almost surely, 2^51361011230 is an apocalyptic number.

51361011230 is a deficient number, since it is larger than the sum of its proper divisors (41383275970).

51361011230 is a wasteful number, since it uses less digits than its factorization.

51361011230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13628.

The product of its (nonzero) digits is 540, while the sum is 23.

Adding to 51361011230 its reverse (3211016315), we get a palindrome (54572027545).

The spelling of 51361011230 in words is "fifty-one billion, three hundred sixty-one million, eleven thousand, two hundred thirty".