51565600115 has 8 divisors (see below), whose sum is σ = 65518644960. Its totient is φ = 38825863552.

The previous prime is 51565600091. The next prime is 51565600117. The reversal of 51565600115 is 51100656515.

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 51565600115 - 2¹⁰ = 51565599091 is a prime.

It is a super-2 number, since 2×51565600115² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51565600117) 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, 303326975 + ... + 303327144.

It is an arithmetic number, because the mean of its divisors is an integer number (8189830620).

Almost surely, 2^51565600115 is an apocalyptic number.

51565600115 is a deficient number, since it is larger than the sum of its proper divisors (13953044845).

51565600115 is a wasteful number, since it uses less digits than its factorization.

51565600115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606654141.

The product of its (nonzero) digits is 22500, while the sum is 35.

The spelling of 51565600115 in words is "fifty-one billion, five hundred sixty-five million, six hundred thousand, one hundred fifteen".