51106646315 has 8 divisors (see below), whose sum is σ = 61347106080. Its totient is φ = 40872563392.

The previous prime is 51106646281. The next prime is 51106646317. The reversal of 51106646315 is 51364660115.

51106646315 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 51106646315 - 2¹² = 51106642219 is a prime.

It is a super-2 number, since 2×51106646315² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51106646317) 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, 1576559 + ... + 1608648.

It is an arithmetic number, because the mean of its divisors is an integer number (7668388260).

Almost surely, 2^51106646315 is an apocalyptic number.

51106646315 is a deficient number, since it is larger than the sum of its proper divisors (10240459765).

51106646315 is a wasteful number, since it uses less digits than its factorization.

51106646315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3188421.

The product of its (nonzero) digits is 64800, while the sum is 38.

The spelling of 51106646315 in words is "fifty-one billion, one hundred six million, six hundred forty-six thousand, three hundred fifteen".