51140336611105 has 64 divisors (see below), whose sum is σ = 73690460467200. Its totient is φ = 33311252139264.

The previous prime is 51140336611103. The next prime is 51140336611109. The reversal of 51140336611105 is 50111663304115.

It is a cyclic number.

It is not a de Polignac number, because 51140336611105 - 2¹ = 51140336611103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51140336611103) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 646104142 + ... + 646183288.

It is an arithmetic number, because the mean of its divisors is an integer number (1151413444800).

Almost surely, 2^{51140336611105} is an apocalyptic number.

It is an amenable number.

51140336611105 is a deficient number, since it is larger than the sum of its proper divisors (22550123856095).

51140336611105 is a wasteful number, since it uses less digits than its factorization.

51140336611105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84718.

The product of its (nonzero) digits is 32400, while the sum is 37.

The spelling of 51140336611105 in words is "fifty-one trillion, one hundred forty billion, three hundred thirty-six million, six hundred eleven thousand, one hundred five".