51505550050611 has 8 divisors (see below), whose sum is σ = 68688743834880. Its totient is φ = 34329694816712.

The previous prime is 51505550050571. The next prime is 51505550050637. The reversal of 51505550050611 is 11605005550515.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51505550050611 - 2¹⁴ = 51505550034227 is a prime.

It is a super-2 number, since 2×51505550050611² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51505550050611.

It is not an unprimeable number, because it can be changed into a prime (51505550050711) 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, 1834621215 + ... + 1834649288.

It is an arithmetic number, because the mean of its divisors is an integer number (8586092979360).

Almost surely, 2^{51505550050611} is an apocalyptic number.

51505550050611 is a deficient number, since it is larger than the sum of its proper divisors (17183193784269).

51505550050611 is a wasteful number, since it uses less digits than its factorization.

51505550050611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3669275185.

The product of its (nonzero) digits is 93750, while the sum is 39.

The spelling of 51505550050611 in words is "fifty-one trillion, five hundred five billion, five hundred fifty million, fifty thousand, six hundred eleven".