51205435130 has 16 divisors (see below), whose sum is σ = 95143002624. Its totient is φ = 19821458640.

The previous prime is 51205435103. The next prime is 51205435133. The reversal of 51205435130 is 3153450215.

It is a junction number, because it is equal to n+sod(n) for n = 51205435093 and 51205435102.

It is not an unprimeable number, because it can be changed into a prime (51205435133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82589102 + ... + 82589721.

It is an arithmetic number, because the mean of its divisors is an integer number (5946437664).

Almost surely, 2^51205435130 is an apocalyptic number.

51205435130 is a deficient number, since it is larger than the sum of its proper divisors (43937567494).

51205435130 is a wasteful number, since it uses less digits than its factorization.

51205435130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165178861.

The product of its (nonzero) digits is 9000, while the sum is 29.

Adding to 51205435130 its reverse (3153450215), we get a palindrome (54358885345).

The spelling of 51205435130 in words is "fifty-one billion, two hundred five million, four hundred thirty-five thousand, one hundred thirty".