51345401104 has 40 divisors (see below), whose sum is σ = 106419548088. Its totient is φ = 23913431040.

The previous prime is 51345401083. The next prime is 51345401111. The reversal of 51345401104 is 40110454315.

It can be written as a sum of positive squares in 4 ways, for example, as 25488761104 + 25856640000 = 159652^2 + 160800^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 946657 + ... + 999424.

Almost surely, 2^51345401104 is an apocalyptic number.

It is an amenable number.

51345401104 is an abundant number, since it is smaller than the sum of its proper divisors (55074146984).

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

51345401104 is a wasteful number, since it uses less digits than its factorization.

51345401104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1946203 (or 1946197 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 51345401104 its reverse (40110454315), we get a palindrome (91455855419).

The spelling of 51345401104 in words is "fifty-one billion, three hundred forty-five million, four hundred one thousand, one hundred four".