51505134425210 has 32 divisors (see below), whose sum is σ = 94097045950272. Its totient is φ = 20293679577600.

The previous prime is 51505134425159. The next prime is 51505134425237. The reversal of 51505134425210 is 1252443150515.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13887989 + ... + 17201351.

It is an arithmetic number, because the mean of its divisors is an integer number (2940532685946).

Almost surely, 2^{51505134425210} is an apocalyptic number.

51505134425210 is a deficient number, since it is larger than the sum of its proper divisors (42591911525062).

51505134425210 is a wasteful number, since it uses less digits than its factorization.

51505134425210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3336638.

The product of its (nonzero) digits is 120000, while the sum is 38.

Adding to 51505134425210 its reverse (1252443150515), we get a palindrome (52757577575725).

The spelling of 51505134425210 in words is "fifty-one trillion, five hundred five billion, one hundred thirty-four million, four hundred twenty-five thousand, two hundred ten".