51333223404065 has 8 divisors (see below), whose sum is σ = 61777389320640. Its totient is φ = 40948231232752.

The previous prime is 51333223404061. The next prime is 51333223404077. The reversal of 51333223404065 is 56040432233315.

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 51333223404065 - 2² = 51333223404061 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51333223404061) 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, 14793434405 + ... + 14793437874.

It is an arithmetic number, because the mean of its divisors is an integer number (7722173665080).

Almost surely, 2^{51333223404065} is an apocalyptic number.

It is an amenable number.

51333223404065 is a deficient number, since it is larger than the sum of its proper divisors (10444165916575).

51333223404065 is a wasteful number, since it uses less digits than its factorization.

51333223404065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29586872631.

The product of its (nonzero) digits is 777600, while the sum is 41.

The spelling of 51333223404065 in words is "fifty-one trillion, three hundred thirty-three billion, two hundred twenty-three million, four hundred four thousand, sixty-five".