51102233123320 has 32 divisors (see below), whose sum is σ = 114983575006320. Its totient is φ = 20440262053120.

The previous prime is 51102233123309. The next prime is 51102233123407. The reversal of 51102233123320 is 2332133220115.

It is a super-2 number, since 2×51102233123320² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18412237 + ... + 21005116.

Almost surely, 2^{51102233123320} is an apocalyptic number.

It is an amenable number.

51102233123320 is an abundant number, since it is smaller than the sum of its proper divisors (63881341883000).

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

51102233123320 is a wasteful number, since it uses less digits than its factorization.

51102233123320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39449775 (or 39449771 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 51102233123320 its reverse (2332133220115), we get a palindrome (53434366343435).

The spelling of 51102233123320 in words is "fifty-one trillion, one hundred two billion, two hundred thirty-three million, one hundred twenty-three thousand, three hundred twenty".