51023265270417 has 16 divisors (see below), whose sum is σ = 82461842861760. Its totient is φ = 30923191072800.

The previous prime is 51023265270403. The next prime is 51023265270443. The reversal of 51023265270417 is 71407256232015.

51023265270417 is a `hidden beast` number, since 5 + 10 + 2 + 326 + 5 + 270 + 41 + 7 = 666.

51023265270417 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51023265270417 - 2¹⁴ = 51023265254033 is a prime.

It is a super-2 number, since 2×51023265270417² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51023265270317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85897752684 + ... + 85897753277.

It is an arithmetic number, because the mean of its divisors is an integer number (5153865178860).

Almost surely, 2^{51023265270417} is an apocalyptic number.

It is an amenable number.

51023265270417 is a deficient number, since it is larger than the sum of its proper divisors (31438577591343).

51023265270417 is a wasteful number, since it uses less digits than its factorization.

51023265270417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171795505981 (or 171795505975 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

The spelling of 51023265270417 in words is "fifty-one trillion, twenty-three billion, two hundred sixty-five million, two hundred seventy thousand, four hundred seventeen".