51096720879361 has 8 divisors (see below), whose sum is σ = 51135259924224. Its totient is φ = 51058183533600.

The previous prime is 51096720879317. The next prime is 51096720879389. The reversal of 51096720879361 is 16397802769015.

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

It is a cyclic number.

It is not a de Polignac number, because 51096720879361 - 2¹³ = 51096720871169 is a prime.

It is a super-2 number, since 2×51096720879361² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51096720879293 and 51096720879302.

It is not an unprimeable number, because it can be changed into a prime (51096720879161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63346536 + ... + 64148086.

It is an arithmetic number, because the mean of its divisors is an integer number (6391907490528).

Almost surely, 2^{51096720879361} is an apocalyptic number.

It is an amenable number.

51096720879361 is a deficient number, since it is larger than the sum of its proper divisors (38539044863).

51096720879361 is a wasteful number, since it uses less digits than its factorization.

51096720879361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849551.

The product of its (nonzero) digits is 34292160, while the sum is 64.

The spelling of 51096720879361 in words is "fifty-one trillion, ninety-six billion, seven hundred twenty million, eight hundred seventy-nine thousand, three hundred sixty-one".