51435141320 has 16 divisors (see below), whose sum is σ = 115729068060. Its totient is φ = 20574056512.

The previous prime is 51435141313. The next prime is 51435141371. The reversal of 51435141320 is 2314153415.

It can be written as a sum of positive squares in 2 ways, for example, as 46535981284 + 4899160036 = 215722^2 + 69994^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 642939227 + ... + 642939306.

Almost surely, 2^51435141320 is an apocalyptic number.

It is an amenable number.

51435141320 is an abundant number, since it is smaller than the sum of its proper divisors (64293926740).

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

51435141320 is a wasteful number, since it uses less digits than its factorization.

51435141320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285878544 (or 1285878540 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 51435141320 its reverse (2314153415), we get a palindrome (53749294735).

The spelling of 51435141320 in words is "fifty-one billion, four hundred thirty-five million, one hundred forty-one thousand, three hundred twenty".