51420005134352 has 40 divisors (see below), whose sum is σ = 102323390425536. Its totient is φ = 25014030408576.

The previous prime is 51420005134349. The next prime is 51420005134361. The reversal of 51420005134352 is 25343150002415.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11543483 + ... + 15365285.

Almost surely, 2^{51420005134352} is an apocalyptic number.

It is an amenable number.

51420005134352 is a deficient number, since it is larger than the sum of its proper divisors (50903385291184).

51420005134352 is a wasteful number, since it uses less digits than its factorization.

51420005134352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3844575 (or 3844569 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 51420005134352 its reverse (25343150002415), we get a palindrome (76763155136767).

The spelling of 51420005134352 in words is "fifty-one trillion, four hundred twenty billion, five million, one hundred thirty-four thousand, three hundred fifty-two".