51120342411 has 8 divisors (see below), whose sum is σ = 68537034384. Its totient is φ = 33891939360.

The previous prime is 51120342401. The next prime is 51120342419. The reversal of 51120342411 is 11424302115.

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

It is not a de Polignac number, because 51120342411 - 2¹⁰ = 51120341387 is a prime.

It is a super-2 number, since 2×51120342411² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51120342419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47071596 + ... + 47072681.

It is an arithmetic number, because the mean of its divisors is an integer number (8567129298).

Almost surely, 2^51120342411 is an apocalyptic number.

51120342411 is a deficient number, since it is larger than the sum of its proper divisors (17416691973).

51120342411 is a wasteful number, since it uses less digits than its factorization.

51120342411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94144461.

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 51120342411 its reverse (11424302115), we get a palindrome (62544644526).

The spelling of 51120342411 in words is "fifty-one billion, one hundred twenty million, three hundred forty-two thousand, four hundred eleven".