51118640017514 has 8 divisors (see below), whose sum is σ = 77229600026880. Its totient is φ = 25375440008556.

The previous prime is 51118640017483. The next prime is 51118640017531. The reversal of 51118640017514 is 41571004681115.

It is a happy number.

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

It is a super-2 number, since 2×51118640017514² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91939999754 + ... + 91940000309.

It is an arithmetic number, because the mean of its divisors is an integer number (9653700003360).

Almost surely, 2^{51118640017514} is an apocalyptic number.

51118640017514 is a deficient number, since it is larger than the sum of its proper divisors (26110960009366).

51118640017514 is a wasteful number, since it uses less digits than its factorization.

51118640017514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183880000204.

The product of its (nonzero) digits is 134400, while the sum is 44.

Adding to 51118640017514 its reverse (41571004681115), we get a palindrome (92689644698629).

The spelling of 51118640017514 in words is "fifty-one trillion, one hundred eighteen billion, six hundred forty million, seventeen thousand, five hundred fourteen".