51105054736898 has 8 divisors (see below), whose sum is σ = 77956863158160. Its totient is φ = 25119433684180.

The previous prime is 51105054736843. The next prime is 51105054736979. The reversal of 51105054736898 is 89863745050115.

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

It is a super-2 number, since 2×51105054736898² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51105054736898.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216546841988 + ... + 216546842223.

It is an arithmetic number, because the mean of its divisors is an integer number (9744607894770).

Almost surely, 2^{51105054736898} is an apocalyptic number.

51105054736898 is a deficient number, since it is larger than the sum of its proper divisors (26851808421262).

51105054736898 is a wasteful number, since it uses less digits than its factorization.

51105054736898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433093684272.

The product of its (nonzero) digits is 36288000, while the sum is 62.

The spelling of 51105054736898 in words is "fifty-one trillion, one hundred five billion, fifty-four million, seven hundred thirty-six thousand, eight hundred ninety-eight".