51040363445511 has 32 divisors (see below), whose sum is σ = 75767574182400. Its totient is φ = 30299233411200.

The previous prime is 51040363445509. The next prime is 51040363445521. The reversal of 51040363445511 is 11554436304015.

It is not a de Polignac number, because 51040363445511 - 2¹ = 51040363445509 is a prime.

It is a super-2 number, since 2×51040363445511² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51040363445521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23311780 + ... + 25407081.

It is an arithmetic number, because the mean of its divisors is an integer number (2367736693200).

Almost surely, 2^{51040363445511} is an apocalyptic number.

51040363445511 is a deficient number, since it is larger than the sum of its proper divisors (24727210736889).

51040363445511 is a wasteful number, since it uses less digits than its factorization.

51040363445511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48719527.

The product of its (nonzero) digits is 432000, while the sum is 42.

Adding to 51040363445511 its reverse (11554436304015), we get a palindrome (62594799749526).

The spelling of 51040363445511 in words is "fifty-one trillion, forty billion, three hundred sixty-three million, four hundred forty-five thousand, five hundred eleven".