51302430205 has 32 divisors (see below), whose sum is σ = 66596544000. Its totient is φ = 37714989312.

The previous prime is 51302430199. The next prime is 51302430211. The reversal of 51302430205 is 50203420315.

It is an interprime number because it is at equal distance from previous prime (51302430199) and next prime (51302430211).

It is not a de Polignac number, because 51302430205 - 2²¹ = 51300333053 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51302430205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15455536 + ... + 15458854.

It is an arithmetic number, because the mean of its divisors is an integer number (2081142000).

Almost surely, 2^51302430205 is an apocalyptic number.

It is an amenable number.

51302430205 is a deficient number, since it is larger than the sum of its proper divisors (15294113795).

51302430205 is a wasteful number, since it uses less digits than its factorization.

51302430205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4333.

The product of its (nonzero) digits is 3600, while the sum is 25.

The spelling of 51302430205 in words is "fifty-one billion, three hundred two million, four hundred thirty thousand, two hundred five".