51186195330049 has 16 divisors (see below), whose sum is σ = 55191296498688. Its totient is φ = 47190792604032.

The previous prime is 51186195330031. The next prime is 51186195330073. The reversal of 51186195330049 is 94003359168115.

It is a cyclic number.

It is not a de Polignac number, because 51186195330049 - 2¹⁷ = 51186195198977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51186195336049) 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, 45468594 + ... + 46580740.

It is an arithmetic number, because the mean of its divisors is an integer number (3449456031168).

Almost surely, 2^{51186195330049} is an apocalyptic number.

It is an amenable number.

51186195330049 is a deficient number, since it is larger than the sum of its proper divisors (4005101168639).

51186195330049 is a wasteful number, since it uses less digits than its factorization.

51186195330049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1116504.

The product of its (nonzero) digits is 3499200, while the sum is 55.

The spelling of 51186195330049 in words is "fifty-one trillion, one hundred eighty-six billion, one hundred ninety-five million, three hundred thirty thousand, forty-nine".