51355306537130 has 16 divisors (see below), whose sum is σ = 92602011446280. Its totient is φ = 20506020463872.

The previous prime is 51355306537103. The next prime is 51355306537133. The reversal of 51355306537130 is 3173560355315.

It can be written as a sum of positive squares in 4 ways, for example, as 30307590384289 + 21047716152841 = 5505233^2 + 4587779^2 .

It is not an unprimeable number, because it can be changed into a prime (51355306537133) 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, 4512762899 + ... + 4512774278.

Almost surely, 2^{51355306537130} is an apocalyptic number.

51355306537130 is a deficient number, since it is larger than the sum of its proper divisors (41246704909150).

51355306537130 is a wasteful number, since it uses less digits than its factorization.

51355306537130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9025537753.

The product of its (nonzero) digits is 2126250, while the sum is 47.

The spelling of 51355306537130 in words is "fifty-one trillion, three hundred fifty-five billion, three hundred six million, five hundred thirty-seven thousand, one hundred thirty".