51012314606553 has 16 divisors (see below), whose sum is σ = 68250720194496. Its totient is φ = 33891066735680.

The previous prime is 51012314606549. The next prime is 51012314606593. The reversal of 51012314606553 is 35560641321015.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 51012314606553 - 2² = 51012314606549 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51012314606593) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27327358 + ... + 29134328.

It is an arithmetic number, because the mean of its divisors is an integer number (4265670012156).

Almost surely, 2^{51012314606553} is an apocalyptic number.

It is an amenable number.

51012314606553 is a deficient number, since it is larger than the sum of its proper divisors (17238405587943).

51012314606553 is a wasteful number, since it uses less digits than its factorization.

51012314606553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1839384.

The product of its (nonzero) digits is 324000, while the sum is 42.

Adding to 51012314606553 its reverse (35560641321015), we get a palindrome (86572955927568).

The spelling of 51012314606553 in words is "fifty-one trillion, twelve billion, three hundred fourteen million, six hundred six thousand, five hundred fifty-three".