51241116617 has 16 divisors (see below), whose sum is σ = 51962746752. Its totient is φ = 50524911360.

The previous prime is 51241116611. The next prime is 51241116643. The reversal of 51241116617 is 71661114215.

It is a cyclic number.

It is not a de Polignac number, because 51241116617 - 2¹⁸ = 51240854473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51241116611) 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, 22601918 + ... + 22604184.

It is an arithmetic number, because the mean of its divisors is an integer number (3247671672).

Almost surely, 2^51241116617 is an apocalyptic number.

It is an amenable number.

51241116617 is a deficient number, since it is larger than the sum of its proper divisors (721630135).

51241116617 is a wasteful number, since it uses less digits than its factorization.

51241116617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3328.

The product of its digits is 10080, while the sum is 35.

The spelling of 51241116617 in words is "fifty-one billion, two hundred forty-one million, one hundred sixteen thousand, six hundred seventeen".